68408960

素因数分解:

$2^7\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1201}}^1$

素因数の和:1309

約数の個数: 64

約数和(自身を含む): 165515400

約数和(自身を除く): 97106440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 320, 356, 445, 640, 712, 890, 1201, 1424, 1780, 2402, 2848, 3560, 4804, 5696, 6005, 7120, 9608, 11392, 12010, 14240, 19216, 24020, 28480, 38432, 48040, 56960, 76864, 96080, 106889, 153728, 192160, 213778, 384320, 427556, 534445, 768640, 855112, 1068890, 1710224, 2137780, 3420448, 4275560, 6840896, 8551120, 13681792, 17102240, 34204480, 68408960]

約数ペア:

[(1, 68408960), (2, 34204480), (4, 17102240), (5, 13681792), (8, 8551120), (10, 6840896), (16, 4275560), (20, 3420448), (32, 2137780), (40, 1710224), (64, 1068890), (80, 855112), (89, 768640), (128, 534445), (160, 427556), (178, 384320), (320, 213778), (356, 192160), (445, 153728), (640, 106889), (712, 96080), (890, 76864), (1201, 56960), (1424, 48040), (1780, 38432), (2402, 28480), (2848, 24020), (3560, 19216), (4804, 14240), (5696, 12010), (6005, 11392), (7120, 9608)]