221317320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{283}}^1$

素因数の和:337

約数の個数: 256

約数和(自身を含む): 817920000

約数和(自身を除く): 596602680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 49, 56, 57, 60, 70, 76, 84, 95, 98, 105, 114, 120, 133, 140, 147, 152, 168, 190, 196, 210, 228, 245, 266, 280, 283, 285, 294, 343, 380, 392, 399, 420, 456, 490, 532, 566, 570, 588, 665, 686, 735, 760, 798, 840, 849, 931, 980, 1029, 1064, 1132, 1140, 1176, 1330, 1372, 1415, 1470, 1596, 1698, 1715, 1862, 1960, 1981, 1995, 2058, 2264, 2280, 2660, 2744, 2793, 2830, 2940, 3192, 3396, 3430, 3724, 3962, 3990, 4116, 4245, 4655, 5145, 5320, 5377, 5586, 5660, 5880, 5943, 6517, 6792, 6860, 7448, 7924, 7980, 8232, 8490, 9310, 9905, 10290, 10754, 11172, 11320, 11886, 13034, 13720, 13867, 13965, 15848, 15960, 16131, 16980, 18620, 19551, 19810, 20580, 21508, 22344, 23772, 26068, 26885, 27734, 27930, 29715, 32262, 32585, 33960, 37240, 37639, 39102, 39620, 41160, 41601, 43016, 47544, 52136, 53770, 55468, 55860, 59430, 64524, 65170, 69335, 75278, 78204, 79240, 80655, 83202, 97069, 97755, 107540, 110936, 111720, 112917, 118860, 129048, 130340, 138670, 150556, 156408, 161310, 166404, 188195, 194138, 195510, 208005, 215080, 225834, 237720, 260680, 263473, 277340, 291207, 301112, 322620, 332808, 376390, 388276, 391020, 416010, 451668, 485345, 526946, 554680, 564585, 582414, 645240, 752780, 776552, 782040, 790419, 832020, 903336, 970690, 1053892, 1129170, 1164828, 1317365, 1456035, 1505560, 1580838, 1664040, 1844311, 1941380, 2107784, 2258340, 2329656, 2634730, 2912070, 3161676, 3688622, 3882760, 3952095, 4516680, 5269460, 5532933, 5824140, 6323352, 7377244, 7904190, 9221555, 10538920, 11065866, 11648280, 14754488, 15808380, 18443110, 22131732, 27664665, 31616760, 36886220, 44263464, 55329330, 73772440, 110658660, 221317320]

約数ペア:

[(1, 221317320), (2, 110658660), (3, 73772440), (4, 55329330), (5, 44263464), (6, 36886220), (7, 31616760), (8, 27664665), (10, 22131732), (12, 18443110), (14, 15808380), (15, 14754488), (19, 11648280), (20, 11065866), (21, 10538920), (24, 9221555), (28, 7904190), (30, 7377244), (35, 6323352), (38, 5824140), (40, 5532933), (42, 5269460), (49, 4516680), (56, 3952095), (57, 3882760), (60, 3688622), (70, 3161676), (76, 2912070), (84, 2634730), (95, 2329656), (98, 2258340), (105, 2107784), (114, 1941380), (120, 1844311), (133, 1664040), (140, 1580838), (147, 1505560), (152, 1456035), (168, 1317365), (190, 1164828), (196, 1129170), (210, 1053892), (228, 970690), (245, 903336), (266, 832020), (280, 790419), (283, 782040), (285, 776552), (294, 752780), (343, 645240), (380, 582414), (392, 564585), (399, 554680), (420, 526946), (456, 485345), (490, 451668), (532, 416010), (566, 391020), (570, 388276), (588, 376390), (665, 332808), (686, 322620), (735, 301112), (760, 291207), (798, 277340), (840, 263473), (849, 260680), (931, 237720), (980, 225834), (1029, 215080), (1064, 208005), (1132, 195510), (1140, 194138), (1176, 188195), (1330, 166404), (1372, 161310), (1415, 156408), (1470, 150556), (1596, 138670), (1698, 130340), (1715, 129048), (1862, 118860), (1960, 112917), (1981, 111720), (1995, 110936), (2058, 107540), (2264, 97755), (2280, 97069), (2660, 83202), (2744, 80655), (2793, 79240), (2830, 78204), (2940, 75278), (3192, 69335), (3396, 65170), (3430, 64524), (3724, 59430), (3962, 55860), (3990, 55468), (4116, 53770), (4245, 52136), (4655, 47544), (5145, 43016), (5320, 41601), (5377, 41160), (5586, 39620), (5660, 39102), (5880, 37639), (5943, 37240), (6517, 33960), (6792, 32585), (6860, 32262), (7448, 29715), (7924, 27930), (7980, 27734), (8232, 26885), (8490, 26068), (9310, 23772), (9905, 22344), (10290, 21508), (10754, 20580), (11172, 19810), (11320, 19551), (11886, 18620), (13034, 16980), (13720, 16131), (13867, 15960), (13965, 15848)]