215507880

素因数分解:

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

素因数の和:693

約数の個数: 288

約数和(自身を含む): 858967200

約数和(自身を除く): 643459320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 49, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 98, 105, 114, 120, 126, 133, 140, 147, 152, 168, 171, 180, 190, 196, 210, 228, 245, 252, 266, 280, 285, 294, 315, 342, 360, 380, 392, 399, 420, 441, 456, 490, 504, 532, 570, 588, 630, 643, 665, 684, 735, 760, 798, 840, 855, 882, 931, 980, 1064, 1140, 1176, 1197, 1260, 1286, 1330, 1368, 1470, 1596, 1710, 1764, 1862, 1929, 1960, 1995, 2205, 2280, 2394, 2520, 2572, 2660, 2793, 2940, 3192, 3215, 3420, 3528, 3724, 3858, 3990, 4410, 4501, 4655, 4788, 5144, 5320, 5586, 5787, 5880, 5985, 6430, 6840, 7448, 7716, 7980, 8379, 8820, 9002, 9310, 9576, 9645, 11172, 11574, 11970, 12217, 12860, 13503, 13965, 15432, 15960, 16758, 17640, 18004, 18620, 19290, 22344, 22505, 23148, 23940, 24434, 25720, 27006, 27930, 28935, 31507, 33516, 36008, 36651, 37240, 38580, 40509, 41895, 45010, 46296, 47880, 48868, 54012, 55860, 57870, 61085, 63014, 67032, 67515, 73302, 77160, 81018, 83790, 85519, 90020, 94521, 97736, 108024, 109953, 111720, 115740, 122170, 126028, 135030, 146604, 157535, 162036, 167580, 171038, 180040, 183255, 189042, 202545, 219906, 231480, 244340, 252056, 256557, 270060, 283563, 293208, 315070, 324072, 335160, 342076, 366510, 378084, 405090, 427595, 439812, 472605, 488680, 513114, 540120, 549765, 567126, 598633, 630140, 684152, 733020, 756168, 769671, 810180, 855190, 879624, 945210, 1026228, 1099530, 1134252, 1197266, 1260280, 1282785, 1417815, 1466040, 1539342, 1620360, 1710380, 1795899, 1890420, 2052456, 2199060, 2268504, 2394532, 2565570, 2835630, 2993165, 3078684, 3420760, 3591798, 3780840, 3848355, 4398120, 4789064, 5131140, 5387697, 5671260, 5986330, 6157368, 7183596, 7696710, 8979495, 10262280, 10775394, 11342520, 11972660, 14367192, 15393420, 17958990, 21550788, 23945320, 26938485, 30786840, 35917980, 43101576, 53876970, 71835960, 107753940, 215507880]

約数ペア:

[(1, 215507880), (2, 107753940), (3, 71835960), (4, 53876970), (5, 43101576), (6, 35917980), (7, 30786840), (8, 26938485), (9, 23945320), (10, 21550788), (12, 17958990), (14, 15393420), (15, 14367192), (18, 11972660), (19, 11342520), (20, 10775394), (21, 10262280), (24, 8979495), (28, 7696710), (30, 7183596), (35, 6157368), (36, 5986330), (38, 5671260), (40, 5387697), (42, 5131140), (45, 4789064), (49, 4398120), (56, 3848355), (57, 3780840), (60, 3591798), (63, 3420760), (70, 3078684), (72, 2993165), (76, 2835630), (84, 2565570), (90, 2394532), (95, 2268504), (98, 2199060), (105, 2052456), (114, 1890420), (120, 1795899), (126, 1710380), (133, 1620360), (140, 1539342), (147, 1466040), (152, 1417815), (168, 1282785), (171, 1260280), (180, 1197266), (190, 1134252), (196, 1099530), (210, 1026228), (228, 945210), (245, 879624), (252, 855190), (266, 810180), (280, 769671), (285, 756168), (294, 733020), (315, 684152), (342, 630140), (360, 598633), (380, 567126), (392, 549765), (399, 540120), (420, 513114), (441, 488680), (456, 472605), (490, 439812), (504, 427595), (532, 405090), (570, 378084), (588, 366510), (630, 342076), (643, 335160), (665, 324072), (684, 315070), (735, 293208), (760, 283563), (798, 270060), (840, 256557), (855, 252056), (882, 244340), (931, 231480), (980, 219906), (1064, 202545), (1140, 189042), (1176, 183255), (1197, 180040), (1260, 171038), (1286, 167580), (1330, 162036), (1368, 157535), (1470, 146604), (1596, 135030), (1710, 126028), (1764, 122170), (1862, 115740), (1929, 111720), (1960, 109953), (1995, 108024), (2205, 97736), (2280, 94521), (2394, 90020), (2520, 85519), (2572, 83790), (2660, 81018), (2793, 77160), (2940, 73302), (3192, 67515), (3215, 67032), (3420, 63014), (3528, 61085), (3724, 57870), (3858, 55860), (3990, 54012), (4410, 48868), (4501, 47880), (4655, 46296), (4788, 45010), (5144, 41895), (5320, 40509), (5586, 38580), (5787, 37240), (5880, 36651), (5985, 36008), (6430, 33516), (6840, 31507), (7448, 28935), (7716, 27930), (7980, 27006), (8379, 25720), (8820, 24434), (9002, 23940), (9310, 23148), (9576, 22505), (9645, 22344), (11172, 19290), (11574, 18620), (11970, 18004), (12217, 17640), (12860, 16758), (13503, 15960), (13965, 15432)]