1685694640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{9679}}^1$

素因数の和:10010

約数の個数: 80

約数和(自身を含む): 4493998080

約数和(自身を除く): 2808303440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 311, 560, 622, 1244, 1555, 2177, 2488, 3110, 4354, 4976, 6220, 8708, 9679, 10885, 12440, 17416, 19358, 21770, 24880, 34832, 38716, 43540, 48395, 67753, 77432, 87080, 96790, 135506, 154864, 174160, 193580, 271012, 338765, 387160, 542024, 677530, 774320, 1084048, 1355060, 2710120, 3010169, 5420240, 6020338, 12040676, 15050845, 21071183, 24081352, 30101690, 42142366, 48162704, 60203380, 84284732, 105355915, 120406760, 168569464, 210711830, 240813520, 337138928, 421423660, 842847320, 1685694640]

約数ペア:

[(1, 1685694640), (2, 842847320), (4, 421423660), (5, 337138928), (7, 240813520), (8, 210711830), (10, 168569464), (14, 120406760), (16, 105355915), (20, 84284732), (28, 60203380), (35, 48162704), (40, 42142366), (56, 30101690), (70, 24081352), (80, 21071183), (112, 15050845), (140, 12040676), (280, 6020338), (311, 5420240), (560, 3010169), (622, 2710120), (1244, 1355060), (1555, 1084048), (2177, 774320), (2488, 677530), (3110, 542024), (4354, 387160), (4976, 338765), (6220, 271012), (8708, 193580), (9679, 174160), (10885, 154864), (12440, 135506), (17416, 96790), (19358, 87080), (21770, 77432), (24880, 67753), (34832, 48395), (38716, 43540)]