1221211320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1$

素因数の和:707

約数の個数: 384

約数和(自身を含む): 4757356800

約数和(自身を除く): 3536145480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 19, 20, 21, 24, 28, 30, 34, 35, 38, 40, 42, 49, 51, 56, 57, 60, 68, 70, 76, 84, 85, 95, 98, 102, 105, 114, 119, 120, 133, 136, 140, 147, 152, 168, 170, 190, 196, 204, 210, 228, 238, 245, 255, 266, 280, 285, 294, 323, 340, 357, 380, 392, 399, 408, 420, 456, 476, 490, 510, 532, 570, 588, 595, 643, 646, 665, 680, 714, 735, 760, 798, 833, 840, 931, 952, 969, 980, 1020, 1064, 1140, 1176, 1190, 1286, 1292, 1330, 1428, 1470, 1596, 1615, 1666, 1785, 1862, 1929, 1938, 1960, 1995, 2040, 2261, 2280, 2380, 2499, 2572, 2584, 2660, 2793, 2856, 2940, 3192, 3215, 3230, 3332, 3570, 3724, 3858, 3876, 3990, 4165, 4501, 4522, 4655, 4760, 4845, 4998, 5144, 5320, 5586, 5880, 6430, 6460, 6664, 6783, 7140, 7448, 7716, 7752, 7980, 8330, 9002, 9044, 9310, 9645, 9690, 9996, 10931, 11172, 11305, 12217, 12495, 12860, 12920, 13503, 13566, 13965, 14280, 15432, 15827, 15960, 16660, 18004, 18088, 18620, 19290, 19380, 19992, 21862, 22344, 22505, 22610, 24434, 24990, 25720, 27006, 27132, 27930, 31507, 31654, 32793, 33320, 33915, 36008, 36651, 37240, 38580, 38760, 43724, 45010, 45220, 47481, 48868, 49980, 54012, 54264, 54655, 55860, 61085, 63014, 63308, 65586, 67515, 67830, 73302, 76517, 77160, 79135, 85519, 87448, 90020, 90440, 94521, 94962, 97736, 99960, 108024, 109310, 111720, 122170, 126028, 126616, 131172, 135030, 135660, 146604, 153034, 157535, 158270, 163965, 171038, 180040, 183255, 189042, 189924, 207689, 218620, 229551, 237405, 244340, 252056, 256557, 262344, 270060, 271320, 293208, 306068, 315070, 316540, 327930, 342076, 366510, 378084, 379848, 382585, 415378, 427595, 437240, 459102, 472605, 474810, 488680, 513114, 535619, 540120, 598633, 612136, 623067, 630140, 633080, 655860, 684152, 733020, 756168, 765170, 830756, 855190, 918204, 945210, 949620, 1026228, 1038445, 1071238, 1147755, 1197266, 1246134, 1260280, 1282785, 1311720, 1453823, 1466040, 1530340, 1606857, 1661512, 1710380, 1795899, 1836408, 1890420, 1899240, 2052456, 2076890, 2142476, 2295510, 2394532, 2492268, 2565570, 2678095, 2907646, 2993165, 3060680, 3115335, 3213714, 3420760, 3591798, 3780840, 4153780, 4284952, 4361469, 4591020, 4789064, 4984536, 5131140, 5356190, 5815292, 5986330, 6230670, 6427428, 7183596, 7269115, 8034285, 8307560, 8722938, 8979495, 9182040, 10176761, 10262280, 10712380, 11630584, 11972660, 12461340, 12854856, 14367192, 14538230, 16068570, 17445876, 17958990, 20353522, 21424760, 21807345, 23945320, 24922680, 29076460, 30530283, 32137140, 34891752, 35917980, 40707044, 43614690, 50883805, 58152920, 61060566, 64274280, 71835960, 81414088, 87229380, 101767610, 122121132, 152651415, 174458760, 203535220, 244242264, 305302830, 407070440, 610605660, 1221211320]

約数ペア:

[(1, 1221211320), (2, 610605660), (3, 407070440), (4, 305302830), (5, 244242264), (6, 203535220), (7, 174458760), (8, 152651415), (10, 122121132), (12, 101767610), (14, 87229380), (15, 81414088), (17, 71835960), (19, 64274280), (20, 61060566), (21, 58152920), (24, 50883805), (28, 43614690), (30, 40707044), (34, 35917980), (35, 34891752), (38, 32137140), (40, 30530283), (42, 29076460), (49, 24922680), (51, 23945320), (56, 21807345), (57, 21424760), (60, 20353522), (68, 17958990), (70, 17445876), (76, 16068570), (84, 14538230), (85, 14367192), (95, 12854856), (98, 12461340), (102, 11972660), (105, 11630584), (114, 10712380), (119, 10262280), (120, 10176761), (133, 9182040), (136, 8979495), (140, 8722938), (147, 8307560), (152, 8034285), (168, 7269115), (170, 7183596), (190, 6427428), (196, 6230670), (204, 5986330), (210, 5815292), (228, 5356190), (238, 5131140), (245, 4984536), (255, 4789064), (266, 4591020), (280, 4361469), (285, 4284952), (294, 4153780), (323, 3780840), (340, 3591798), (357, 3420760), (380, 3213714), (392, 3115335), (399, 3060680), (408, 2993165), (420, 2907646), (456, 2678095), (476, 2565570), (490, 2492268), (510, 2394532), (532, 2295510), (570, 2142476), (588, 2076890), (595, 2052456), (643, 1899240), (646, 1890420), (665, 1836408), (680, 1795899), (714, 1710380), (735, 1661512), (760, 1606857), (798, 1530340), (833, 1466040), (840, 1453823), (931, 1311720), (952, 1282785), (969, 1260280), (980, 1246134), (1020, 1197266), (1064, 1147755), (1140, 1071238), (1176, 1038445), (1190, 1026228), (1286, 949620), (1292, 945210), (1330, 918204), (1428, 855190), (1470, 830756), (1596, 765170), (1615, 756168), (1666, 733020), (1785, 684152), (1862, 655860), (1929, 633080), (1938, 630140), (1960, 623067), (1995, 612136), (2040, 598633), (2261, 540120), (2280, 535619), (2380, 513114), (2499, 488680), (2572, 474810), (2584, 472605), (2660, 459102), (2793, 437240), (2856, 427595), (2940, 415378), (3192, 382585), (3215, 379848), (3230, 378084), (3332, 366510), (3570, 342076), (3724, 327930), (3858, 316540), (3876, 315070), (3990, 306068), (4165, 293208), (4501, 271320), (4522, 270060), (4655, 262344), (4760, 256557), (4845, 252056), (4998, 244340), (5144, 237405), (5320, 229551), (5586, 218620), (5880, 207689), (6430, 189924), (6460, 189042), (6664, 183255), (6783, 180040), (7140, 171038), (7448, 163965), (7716, 158270), (7752, 157535), (7980, 153034), (8330, 146604), (9002, 135660), (9044, 135030), (9310, 131172), (9645, 126616), (9690, 126028), (9996, 122170), (10931, 111720), (11172, 109310), (11305, 108024), (12217, 99960), (12495, 97736), (12860, 94962), (12920, 94521), (13503, 90440), (13566, 90020), (13965, 87448), (14280, 85519), (15432, 79135), (15827, 77160), (15960, 76517), (16660, 73302), (18004, 67830), (18088, 67515), (18620, 65586), (19290, 63308), (19380, 63014), (19992, 61085), (21862, 55860), (22344, 54655), (22505, 54264), (22610, 54012), (24434, 49980), (24990, 48868), (25720, 47481), (27006, 45220), (27132, 45010), (27930, 43724), (31507, 38760), (31654, 38580), (32793, 37240), (33320, 36651), (33915, 36008)]