68640360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{6427}}^1$

素因数の和:6530

約数の個数: 64

約数和(自身を含む): 208267200

約数和(自身を除く): 139626840

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, 6427, 10680, 12854, 19281, 25708, 32135, 38562, 51416, 64270, 77124, 96405, 128540, 154248, 192810, 257080, 385620, 572003, 771240, 1144006, 1716009, 2288012, 2860015, 3432018, 4576024, 5720030, 6864036, 8580045, 11440060, 13728072, 17160090, 22880120, 34320180, 68640360]

約数ペア:

[(1, 68640360), (2, 34320180), (3, 22880120), (4, 17160090), (5, 13728072), (6, 11440060), (8, 8580045), (10, 6864036), (12, 5720030), (15, 4576024), (20, 3432018), (24, 2860015), (30, 2288012), (40, 1716009), (60, 1144006), (89, 771240), (120, 572003), (178, 385620), (267, 257080), (356, 192810), (445, 154248), (534, 128540), (712, 96405), (890, 77124), (1068, 64270), (1335, 51416), (1780, 38562), (2136, 32135), (2670, 25708), (3560, 19281), (5340, 12854), (6427, 10680)]