172963980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{137273}}^1$

素因数の和:137295

約数の個数: 72

約数和(自身を含む): 599612832

約数和(自身を除く): 426648852

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 137273, 274546, 411819, 549092, 686365, 823638, 960911, 1235457, 1372730, 1647276, 1921822, 2059095, 2470914, 2745460, 2882733, 3843644, 4118190, 4804555, 4941828, 5765466, 6177285, 8236380, 8648199, 9609110, 11530932, 12354570, 14413665, 17296398, 19218220, 24709140, 28827330, 34592796, 43240995, 57654660, 86481990, 172963980]

約数ペア:

[(1, 172963980), (2, 86481990), (3, 57654660), (4, 43240995), (5, 34592796), (6, 28827330), (7, 24709140), (9, 19218220), (10, 17296398), (12, 14413665), (14, 12354570), (15, 11530932), (18, 9609110), (20, 8648199), (21, 8236380), (28, 6177285), (30, 5765466), (35, 4941828), (36, 4804555), (42, 4118190), (45, 3843644), (60, 2882733), (63, 2745460), (70, 2470914), (84, 2059095), (90, 1921822), (105, 1647276), (126, 1372730), (140, 1235457), (180, 960911), (210, 823638), (252, 686365), (315, 549092), (420, 411819), (630, 274546), (1260, 137273)]