72421080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{6781}}^1$

素因数の和:6884

約数の個数: 64

約数和(自身を含む): 219736800

約数和(自身を除く): 147315720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 89, 120, 178, 267, 356, 445, 534, 712, 890, 1068, 1335, 1780, 2136, 2670, 3560, 5340, 6781, 10680, 13562, 20343, 27124, 33905, 40686, 54248, 67810, 81372, 101715, 135620, 162744, 203430, 271240, 406860, 603509, 813720, 1207018, 1810527, 2414036, 3017545, 3621054, 4828072, 6035090, 7242108, 9052635, 12070180, 14484216, 18105270, 24140360, 36210540, 72421080]

約数ペア:

[(1, 72421080), (2, 36210540), (3, 24140360), (4, 18105270), (5, 14484216), (6, 12070180), (8, 9052635), (10, 7242108), (12, 6035090), (15, 4828072), (20, 3621054), (24, 3017545), (30, 2414036), (40, 1810527), (60, 1207018), (89, 813720), (120, 603509), (178, 406860), (267, 271240), (356, 203430), (445, 162744), (534, 135620), (712, 101715), (890, 81372), (1068, 67810), (1335, 54248), (1780, 40686), (2136, 33905), (2670, 27124), (3560, 20343), (5340, 13562), (6781, 10680)]