72181620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{57287}}^1$

素因数の和:57309

約数の個数: 72

約数和(自身を含む): 250233984

約数和(自身を除く): 178052364

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 57287, 114574, 171861, 229148, 286435, 343722, 401009, 515583, 572870, 687444, 802018, 859305, 1031166, 1145740, 1203027, 1604036, 1718610, 2005045, 2062332, 2406054, 2577915, 3437220, 3609081, 4010090, 4812108, 5155830, 6015135, 7218162, 8020180, 10311660, 12030270, 14436324, 18045405, 24060540, 36090810, 72181620]

約数ペア:

[(1, 72181620), (2, 36090810), (3, 24060540), (4, 18045405), (5, 14436324), (6, 12030270), (7, 10311660), (9, 8020180), (10, 7218162), (12, 6015135), (14, 5155830), (15, 4812108), (18, 4010090), (20, 3609081), (21, 3437220), (28, 2577915), (30, 2406054), (35, 2062332), (36, 2005045), (42, 1718610), (45, 1604036), (60, 1203027), (63, 1145740), (70, 1031166), (84, 859305), (90, 802018), (105, 687444), (126, 572870), (140, 515583), (180, 401009), (210, 343722), (252, 286435), (315, 229148), (420, 171861), (630, 114574), (1260, 57287)]