16898580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{349}}^1$

素因数の和:633

約数の個数: 72

約数和(自身を含む): 51597000

約数和(自身を除く): 34698420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 269, 349, 538, 698, 807, 1047, 1076, 1345, 1396, 1614, 1745, 2094, 2421, 2690, 3141, 3228, 3490, 4035, 4188, 4842, 5235, 5380, 6282, 6980, 8070, 9684, 10470, 12105, 12564, 15705, 16140, 20940, 24210, 31410, 48420, 62820, 93881, 187762, 281643, 375524, 469405, 563286, 844929, 938810, 1126572, 1408215, 1689858, 1877620, 2816430, 3379716, 4224645, 5632860, 8449290, 16898580]

約数ペア:

[(1, 16898580), (2, 8449290), (3, 5632860), (4, 4224645), (5, 3379716), (6, 2816430), (9, 1877620), (10, 1689858), (12, 1408215), (15, 1126572), (18, 938810), (20, 844929), (30, 563286), (36, 469405), (45, 375524), (60, 281643), (90, 187762), (180, 93881), (269, 62820), (349, 48420), (538, 31410), (698, 24210), (807, 20940), (1047, 16140), (1076, 15705), (1345, 12564), (1396, 12105), (1614, 10470), (1745, 9684), (2094, 8070), (2421, 6980), (2690, 6282), (3141, 5380), (3228, 5235), (3490, 4842), (4035, 4188)]