90129920

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:168

約数の個数: 160

約数和(自身を含む): 243064800

約数和(自身を除く): 152934880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 64, 68, 76, 80, 85, 95, 109, 128, 136, 152, 160, 170, 190, 218, 256, 272, 304, 320, 323, 340, 380, 436, 512, 544, 545, 608, 640, 646, 680, 760, 872, 1088, 1090, 1216, 1280, 1292, 1360, 1520, 1615, 1744, 1853, 2071, 2176, 2180, 2432, 2560, 2584, 2720, 3040, 3230, 3488, 3706, 4142, 4352, 4360, 4864, 5168, 5440, 6080, 6460, 6976, 7412, 8284, 8704, 8720, 9265, 9728, 10336, 10355, 10880, 12160, 12920, 13952, 14824, 16568, 17440, 18530, 20672, 20710, 21760, 24320, 25840, 27904, 29648, 33136, 34880, 35207, 37060, 41344, 41420, 43520, 48640, 51680, 55808, 59296, 66272, 69760, 70414, 74120, 82688, 82840, 103360, 118592, 132544, 139520, 140828, 148240, 165376, 165680, 176035, 206720, 237184, 265088, 279040, 281656, 296480, 331360, 352070, 413440, 474368, 530176, 563312, 592960, 662720, 704140, 826880, 948736, 1060352, 1126624, 1185920, 1325440, 1408280, 2253248, 2371840, 2650880, 2816560, 4506496, 4743680, 5301760, 5633120, 9012992, 11266240, 18025984, 22532480, 45064960, 90129920]

約数ペア:

[(1, 90129920), (2, 45064960), (4, 22532480), (5, 18025984), (8, 11266240), (10, 9012992), (16, 5633120), (17, 5301760), (19, 4743680), (20, 4506496), (32, 2816560), (34, 2650880), (38, 2371840), (40, 2253248), (64, 1408280), (68, 1325440), (76, 1185920), (80, 1126624), (85, 1060352), (95, 948736), (109, 826880), (128, 704140), (136, 662720), (152, 592960), (160, 563312), (170, 530176), (190, 474368), (218, 413440), (256, 352070), (272, 331360), (304, 296480), (320, 281656), (323, 279040), (340, 265088), (380, 237184), (436, 206720), (512, 176035), (544, 165680), (545, 165376), (608, 148240), (640, 140828), (646, 139520), (680, 132544), (760, 118592), (872, 103360), (1088, 82840), (1090, 82688), (1216, 74120), (1280, 70414), (1292, 69760), (1360, 66272), (1520, 59296), (1615, 55808), (1744, 51680), (1853, 48640), (2071, 43520), (2176, 41420), (2180, 41344), (2432, 37060), (2560, 35207), (2584, 34880), (2720, 33136), (3040, 29648), (3230, 27904), (3488, 25840), (3706, 24320), (4142, 21760), (4352, 20710), (4360, 20672), (4864, 18530), (5168, 17440), (5440, 16568), (6080, 14824), (6460, 13952), (6976, 12920), (7412, 12160), (8284, 10880), (8704, 10355), (8720, 10336), (9265, 9728)]