129178240

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{383}}^1$

素因数の和:450

約数の個数: 128

約数和(自身を含む): 338411520

約数和(自身を除く): 209233280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 128, 136, 155, 160, 170, 248, 272, 310, 320, 340, 383, 496, 527, 544, 620, 640, 680, 766, 992, 1054, 1088, 1240, 1360, 1532, 1915, 1984, 2108, 2176, 2480, 2635, 2720, 3064, 3830, 3968, 4216, 4960, 5270, 5440, 6128, 6511, 7660, 8432, 9920, 10540, 10880, 11873, 12256, 13022, 15320, 16864, 19840, 21080, 23746, 24512, 26044, 30640, 32555, 33728, 42160, 47492, 49024, 52088, 59365, 61280, 65110, 67456, 84320, 94984, 104176, 118730, 122560, 130220, 168640, 189968, 201841, 208352, 237460, 245120, 260440, 337280, 379936, 403682, 416704, 474920, 520880, 759872, 807364, 833408, 949840, 1009205, 1041760, 1519744, 1614728, 1899680, 2018410, 2083520, 3229456, 3799360, 4036820, 4167040, 6458912, 7598720, 8073640, 12917824, 16147280, 25835648, 32294560, 64589120, 129178240]

約数ペア:

[(1, 129178240), (2, 64589120), (4, 32294560), (5, 25835648), (8, 16147280), (10, 12917824), (16, 8073640), (17, 7598720), (20, 6458912), (31, 4167040), (32, 4036820), (34, 3799360), (40, 3229456), (62, 2083520), (64, 2018410), (68, 1899680), (80, 1614728), (85, 1519744), (124, 1041760), (128, 1009205), (136, 949840), (155, 833408), (160, 807364), (170, 759872), (248, 520880), (272, 474920), (310, 416704), (320, 403682), (340, 379936), (383, 337280), (496, 260440), (527, 245120), (544, 237460), (620, 208352), (640, 201841), (680, 189968), (766, 168640), (992, 130220), (1054, 122560), (1088, 118730), (1240, 104176), (1360, 94984), (1532, 84320), (1915, 67456), (1984, 65110), (2108, 61280), (2176, 59365), (2480, 52088), (2635, 49024), (2720, 47492), (3064, 42160), (3830, 33728), (3968, 32555), (4216, 30640), (4960, 26044), (5270, 24512), (5440, 23746), (6128, 21080), (6511, 19840), (7660, 16864), (8432, 15320), (9920, 13022), (10540, 12256), (10880, 11873)]