51513280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:127

約数の個数: 224

約数和(自身を含む): 158739840

約数和(自身を除く): 107226560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 29, 32, 35, 40, 52, 56, 58, 61, 64, 65, 70, 80, 91, 104, 112, 116, 122, 130, 140, 145, 160, 182, 203, 208, 224, 232, 244, 260, 280, 290, 305, 320, 364, 377, 406, 416, 427, 448, 455, 464, 488, 520, 560, 580, 610, 728, 754, 793, 812, 832, 854, 910, 928, 976, 1015, 1040, 1120, 1160, 1220, 1456, 1508, 1586, 1624, 1708, 1769, 1820, 1856, 1885, 1952, 2030, 2080, 2135, 2240, 2320, 2440, 2639, 2912, 3016, 3172, 3248, 3416, 3538, 3640, 3770, 3904, 3965, 4060, 4160, 4270, 4640, 4880, 5278, 5551, 5824, 6032, 6344, 6496, 6832, 7076, 7280, 7540, 7930, 8120, 8540, 8845, 9280, 9760, 10556, 11102, 12064, 12383, 12688, 12992, 13195, 13664, 14152, 14560, 15080, 15860, 16240, 17080, 17690, 19520, 21112, 22204, 22997, 24128, 24766, 25376, 26390, 27328, 27755, 28304, 29120, 30160, 31720, 32480, 34160, 35380, 42224, 44408, 45994, 49532, 50752, 52780, 55510, 56608, 60320, 61915, 63440, 64960, 68320, 70760, 84448, 88816, 91988, 99064, 105560, 111020, 113216, 114985, 120640, 123830, 126880, 136640, 141520, 160979, 168896, 177632, 183976, 198128, 211120, 222040, 229970, 247660, 253760, 283040, 321958, 355264, 367952, 396256, 422240, 444080, 459940, 495320, 566080, 643916, 735904, 792512, 804895, 844480, 888160, 919880, 990640, 1287832, 1471808, 1609790, 1776320, 1839760, 1981280, 2575664, 3219580, 3679520, 3962560, 5151328, 6439160, 7359040, 10302656, 12878320, 25756640, 51513280]

約数ペア:

[(1, 51513280), (2, 25756640), (4, 12878320), (5, 10302656), (7, 7359040), (8, 6439160), (10, 5151328), (13, 3962560), (14, 3679520), (16, 3219580), (20, 2575664), (26, 1981280), (28, 1839760), (29, 1776320), (32, 1609790), (35, 1471808), (40, 1287832), (52, 990640), (56, 919880), (58, 888160), (61, 844480), (64, 804895), (65, 792512), (70, 735904), (80, 643916), (91, 566080), (104, 495320), (112, 459940), (116, 444080), (122, 422240), (130, 396256), (140, 367952), (145, 355264), (160, 321958), (182, 283040), (203, 253760), (208, 247660), (224, 229970), (232, 222040), (244, 211120), (260, 198128), (280, 183976), (290, 177632), (305, 168896), (320, 160979), (364, 141520), (377, 136640), (406, 126880), (416, 123830), (427, 120640), (448, 114985), (455, 113216), (464, 111020), (488, 105560), (520, 99064), (560, 91988), (580, 88816), (610, 84448), (728, 70760), (754, 68320), (793, 64960), (812, 63440), (832, 61915), (854, 60320), (910, 56608), (928, 55510), (976, 52780), (1015, 50752), (1040, 49532), (1120, 45994), (1160, 44408), (1220, 42224), (1456, 35380), (1508, 34160), (1586, 32480), (1624, 31720), (1708, 30160), (1769, 29120), (1820, 28304), (1856, 27755), (1885, 27328), (1952, 26390), (2030, 25376), (2080, 24766), (2135, 24128), (2240, 22997), (2320, 22204), (2440, 21112), (2639, 19520), (2912, 17690), (3016, 17080), (3172, 16240), (3248, 15860), (3416, 15080), (3538, 14560), (3640, 14152), (3770, 13664), (3904, 13195), (3965, 12992), (4060, 12688), (4160, 12383), (4270, 12064), (4640, 11102), (4880, 10556), (5278, 9760), (5551, 9280), (5824, 8845), (6032, 8540), (6344, 8120), (6496, 7930), (6832, 7540), (7076, 7280)]