128500960

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{397}}^1$

素因数の和:453

約数の個数: 144

約数和(自身を含む): 369490464

約数和(自身を除く): 240989504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 160, 170, 224, 238, 272, 280, 289, 340, 397, 476, 544, 560, 578, 595, 680, 794, 952, 1120, 1156, 1190, 1360, 1445, 1588, 1904, 1985, 2023, 2312, 2380, 2720, 2779, 2890, 3176, 3808, 3970, 4046, 4624, 4760, 5558, 5780, 6352, 6749, 7940, 8092, 9248, 9520, 10115, 11116, 11560, 12704, 13498, 13895, 15880, 16184, 19040, 20230, 22232, 23120, 26996, 27790, 31760, 32368, 33745, 40460, 44464, 46240, 47243, 53992, 55580, 63520, 64736, 67490, 80920, 88928, 94486, 107984, 111160, 114733, 134980, 161840, 188972, 215968, 222320, 229466, 236215, 269960, 323680, 377944, 444640, 458932, 472430, 539920, 573665, 755888, 803131, 917864, 944860, 1079840, 1147330, 1511776, 1606262, 1835728, 1889720, 2294660, 3212524, 3671456, 3779440, 4015655, 4589320, 6425048, 7558880, 8031310, 9178640, 12850096, 16062620, 18357280, 25700192, 32125240, 64250480, 128500960]

約数ペア:

[(1, 128500960), (2, 64250480), (4, 32125240), (5, 25700192), (7, 18357280), (8, 16062620), (10, 12850096), (14, 9178640), (16, 8031310), (17, 7558880), (20, 6425048), (28, 4589320), (32, 4015655), (34, 3779440), (35, 3671456), (40, 3212524), (56, 2294660), (68, 1889720), (70, 1835728), (80, 1606262), (85, 1511776), (112, 1147330), (119, 1079840), (136, 944860), (140, 917864), (160, 803131), (170, 755888), (224, 573665), (238, 539920), (272, 472430), (280, 458932), (289, 444640), (340, 377944), (397, 323680), (476, 269960), (544, 236215), (560, 229466), (578, 222320), (595, 215968), (680, 188972), (794, 161840), (952, 134980), (1120, 114733), (1156, 111160), (1190, 107984), (1360, 94486), (1445, 88928), (1588, 80920), (1904, 67490), (1985, 64736), (2023, 63520), (2312, 55580), (2380, 53992), (2720, 47243), (2779, 46240), (2890, 44464), (3176, 40460), (3808, 33745), (3970, 32368), (4046, 31760), (4624, 27790), (4760, 26996), (5558, 23120), (5780, 22232), (6352, 20230), (6749, 19040), (7940, 16184), (8092, 15880), (9248, 13895), (9520, 13498), (10115, 12704), (11116, 11560)]