61989660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8009}}^1$

素因数の和:8067

約数の個数: 72

約数和(自身を含む): 192432240

約数和(自身を除く): 130442580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 8009, 16018, 24027, 32036, 40045, 48054, 72081, 80090, 96108, 120135, 144162, 160180, 240270, 288324, 344387, 360405, 480540, 688774, 720810, 1033161, 1377548, 1441620, 1721935, 2066322, 3099483, 3443870, 4132644, 5165805, 6198966, 6887740, 10331610, 12397932, 15497415, 20663220, 30994830, 61989660]

約数ペア:

[(1, 61989660), (2, 30994830), (3, 20663220), (4, 15497415), (5, 12397932), (6, 10331610), (9, 6887740), (10, 6198966), (12, 5165805), (15, 4132644), (18, 3443870), (20, 3099483), (30, 2066322), (36, 1721935), (43, 1441620), (45, 1377548), (60, 1033161), (86, 720810), (90, 688774), (129, 480540), (172, 360405), (180, 344387), (215, 288324), (258, 240270), (387, 160180), (430, 144162), (516, 120135), (645, 96108), (774, 80090), (860, 72081), (1290, 48054), (1548, 40045), (1935, 32036), (2580, 24027), (3870, 16018), (7740, 8009)]