31015980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3023}}^1$

素因数の和:3060

約数の個数: 96

約数和(自身を含む): 101606400

約数和(自身を除く): 70590420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 228, 270, 285, 342, 380, 513, 540, 570, 684, 855, 1026, 1140, 1710, 2052, 2565, 3023, 3420, 5130, 6046, 9069, 10260, 12092, 15115, 18138, 27207, 30230, 36276, 45345, 54414, 57437, 60460, 81621, 90690, 108828, 114874, 136035, 163242, 172311, 181380, 229748, 272070, 287185, 326484, 344622, 408105, 516933, 544140, 574370, 689244, 816210, 861555, 1033866, 1148740, 1550799, 1632420, 1723110, 2067732, 2584665, 3101598, 3446220, 5169330, 6203196, 7753995, 10338660, 15507990, 31015980]

約数ペア:

[(1, 31015980), (2, 15507990), (3, 10338660), (4, 7753995), (5, 6203196), (6, 5169330), (9, 3446220), (10, 3101598), (12, 2584665), (15, 2067732), (18, 1723110), (19, 1632420), (20, 1550799), (27, 1148740), (30, 1033866), (36, 861555), (38, 816210), (45, 689244), (54, 574370), (57, 544140), (60, 516933), (76, 408105), (90, 344622), (95, 326484), (108, 287185), (114, 272070), (135, 229748), (171, 181380), (180, 172311), (190, 163242), (228, 136035), (270, 114874), (285, 108828), (342, 90690), (380, 81621), (513, 60460), (540, 57437), (570, 54414), (684, 45345), (855, 36276), (1026, 30230), (1140, 27207), (1710, 18138), (2052, 15115), (2565, 12092), (3023, 10260), (3420, 9069), (5130, 6046)]