198405840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{22343}}^1$

素因数の和:22396

約数の個数: 80

約数和(自身を含む): 631709568

約数和(自身を除く): 433303728

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 185, 222, 240, 296, 370, 444, 555, 592, 740, 888, 1110, 1480, 1776, 2220, 2960, 4440, 8880, 22343, 44686, 67029, 89372, 111715, 134058, 178744, 223430, 268116, 335145, 357488, 446860, 536232, 670290, 826691, 893720, 1072464, 1340580, 1653382, 1787440, 2480073, 2681160, 3306764, 4133455, 4960146, 5362320, 6613528, 8266910, 9920292, 12400365, 13227056, 16533820, 19840584, 24800730, 33067640, 39681168, 49601460, 66135280, 99202920, 198405840]

約数ペア:

[(1, 198405840), (2, 99202920), (3, 66135280), (4, 49601460), (5, 39681168), (6, 33067640), (8, 24800730), (10, 19840584), (12, 16533820), (15, 13227056), (16, 12400365), (20, 9920292), (24, 8266910), (30, 6613528), (37, 5362320), (40, 4960146), (48, 4133455), (60, 3306764), (74, 2681160), (80, 2480073), (111, 1787440), (120, 1653382), (148, 1340580), (185, 1072464), (222, 893720), (240, 826691), (296, 670290), (370, 536232), (444, 446860), (555, 357488), (592, 335145), (740, 268116), (888, 223430), (1110, 178744), (1480, 134058), (1776, 111715), (2220, 89372), (2960, 67029), (4440, 44686), (8880, 22343)]