123879680

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5693}}^1$

素因数の和:5731

約数の個数: 72

約数和(自身を含む): 314240472

約数和(自身を除く): 190360792

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 544, 640, 680, 1088, 1280, 1360, 2176, 2720, 4352, 5440, 5693, 10880, 11386, 21760, 22772, 28465, 45544, 56930, 91088, 96781, 113860, 182176, 193562, 227720, 364352, 387124, 455440, 483905, 728704, 774248, 910880, 967810, 1457408, 1548496, 1821760, 1935620, 3096992, 3643520, 3871240, 6193984, 7287040, 7742480, 12387968, 15484960, 24775936, 30969920, 61939840, 123879680]

約数ペア:

[(1, 123879680), (2, 61939840), (4, 30969920), (5, 24775936), (8, 15484960), (10, 12387968), (16, 7742480), (17, 7287040), (20, 6193984), (32, 3871240), (34, 3643520), (40, 3096992), (64, 1935620), (68, 1821760), (80, 1548496), (85, 1457408), (128, 967810), (136, 910880), (160, 774248), (170, 728704), (256, 483905), (272, 455440), (320, 387124), (340, 364352), (544, 227720), (640, 193562), (680, 182176), (1088, 113860), (1280, 96781), (1360, 91088), (2176, 56930), (2720, 45544), (4352, 28465), (5440, 22772), (5693, 21760), (10880, 11386)]