81076860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{3023}}^1$

素因数の和:3187

約数の個数: 72

約数和(自身を含む): 247665600

約数和(自身を除く): 166588740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 149, 180, 298, 447, 596, 745, 894, 1341, 1490, 1788, 2235, 2682, 2980, 3023, 4470, 5364, 6046, 6705, 8940, 9069, 12092, 13410, 15115, 18138, 26820, 27207, 30230, 36276, 45345, 54414, 60460, 90690, 108828, 136035, 181380, 272070, 450427, 544140, 900854, 1351281, 1801708, 2252135, 2702562, 4053843, 4504270, 5405124, 6756405, 8107686, 9008540, 13512810, 16215372, 20269215, 27025620, 40538430, 81076860]

約数ペア:

[(1, 81076860), (2, 40538430), (3, 27025620), (4, 20269215), (5, 16215372), (6, 13512810), (9, 9008540), (10, 8107686), (12, 6756405), (15, 5405124), (18, 4504270), (20, 4053843), (30, 2702562), (36, 2252135), (45, 1801708), (60, 1351281), (90, 900854), (149, 544140), (180, 450427), (298, 272070), (447, 181380), (596, 136035), (745, 108828), (894, 90690), (1341, 60460), (1490, 54414), (1788, 45345), (2235, 36276), (2682, 30230), (2980, 27207), (3023, 26820), (4470, 18138), (5364, 15115), (6046, 13410), (6705, 12092), (8940, 9069)]