64413720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{25561}}^1$

素因数の和:25585

約数の個数: 96

約数和(自身を含む): 239260320

約数和(自身を除く): 174846600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 25561, 51122, 76683, 102244, 127805, 153366, 178927, 204488, 230049, 255610, 306732, 357854, 383415, 460098, 511220, 536781, 613464, 715708, 766830, 894635, 920196, 1022440, 1073562, 1150245, 1431416, 1533660, 1610343, 1789270, 1840392, 2147124, 2300490, 2683905, 3067320, 3220686, 3578540, 4294248, 4600980, 5367810, 6441372, 7157080, 8051715, 9201960, 10735620, 12882744, 16103430, 21471240, 32206860, 64413720]

約数ペア:

[(1, 64413720), (2, 32206860), (3, 21471240), (4, 16103430), (5, 12882744), (6, 10735620), (7, 9201960), (8, 8051715), (9, 7157080), (10, 6441372), (12, 5367810), (14, 4600980), (15, 4294248), (18, 3578540), (20, 3220686), (21, 3067320), (24, 2683905), (28, 2300490), (30, 2147124), (35, 1840392), (36, 1789270), (40, 1610343), (42, 1533660), (45, 1431416), (56, 1150245), (60, 1073562), (63, 1022440), (70, 920196), (72, 894635), (84, 766830), (90, 715708), (105, 613464), (120, 536781), (126, 511220), (140, 460098), (168, 383415), (180, 357854), (210, 306732), (252, 255610), (280, 230049), (315, 204488), (360, 178927), (420, 153366), (504, 127805), (630, 102244), (840, 76683), (1260, 51122), (2520, 25561)]