642096540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{123007}}^1$

素因数の和:123051

約数の個数: 72

約数和(自身を含む): 2014871040

約数和(自身を除く): 1372774500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 123007, 246014, 369021, 492028, 615035, 738042, 1107063, 1230070, 1476084, 1845105, 2214126, 2460140, 3567203, 3690210, 4428252, 5535315, 7134406, 7380420, 10701609, 11070630, 14268812, 17836015, 21403218, 22141260, 32104827, 35672030, 42806436, 53508045, 64209654, 71344060, 107016090, 128419308, 160524135, 214032180, 321048270, 642096540]

約数ペア:

[(1, 642096540), (2, 321048270), (3, 214032180), (4, 160524135), (5, 128419308), (6, 107016090), (9, 71344060), (10, 64209654), (12, 53508045), (15, 42806436), (18, 35672030), (20, 32104827), (29, 22141260), (30, 21403218), (36, 17836015), (45, 14268812), (58, 11070630), (60, 10701609), (87, 7380420), (90, 7134406), (116, 5535315), (145, 4428252), (174, 3690210), (180, 3567203), (261, 2460140), (290, 2214126), (348, 1845105), (435, 1476084), (522, 1230070), (580, 1107063), (870, 738042), (1044, 615035), (1305, 492028), (1740, 369021), (2610, 246014), (5220, 123007)]