20180965980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{8521}}^1\times {\mathrm{5639}}^1$

素因数の和:14179

約数の個数: 96

約数和(自身を含む): 64598123520

約数和(自身を除く): 44417157540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 5639, 8521, 11278, 16917, 17042, 22556, 25563, 28195, 33834, 34084, 39473, 42605, 51126, 56390, 59647, 67668, 78946, 84585, 85210, 102252, 112780, 118419, 119294, 127815, 157892, 169170, 170420, 178941, 197365, 236838, 238588, 255630, 298235, 338340, 357882, 394730, 473676, 511260, 592095, 596470, 715764, 789460, 894705, 1184190, 1192940, 1789410, 2368380, 3578820, 48049919, 96099838, 144149757, 192199676, 240249595, 288299514, 336349433, 480499190, 576599028, 672698866, 720748785, 960998380, 1009048299, 1345397732, 1441497570, 1681747165, 2018096598, 2882995140, 3363494330, 4036193196, 5045241495, 6726988660, 10090482990, 20180965980]

約数ペア:

[(1, 20180965980), (2, 10090482990), (3, 6726988660), (4, 5045241495), (5, 4036193196), (6, 3363494330), (7, 2882995140), (10, 2018096598), (12, 1681747165), (14, 1441497570), (15, 1345397732), (20, 1009048299), (21, 960998380), (28, 720748785), (30, 672698866), (35, 576599028), (42, 480499190), (60, 336349433), (70, 288299514), (84, 240249595), (105, 192199676), (140, 144149757), (210, 96099838), (420, 48049919), (5639, 3578820), (8521, 2368380), (11278, 1789410), (16917, 1192940), (17042, 1184190), (22556, 894705), (25563, 789460), (28195, 715764), (33834, 596470), (34084, 592095), (39473, 511260), (42605, 473676), (51126, 394730), (56390, 357882), (59647, 338340), (67668, 298235), (78946, 255630), (84585, 238588), (85210, 236838), (102252, 197365), (112780, 178941), (118419, 170420), (119294, 169170), (127815, 157892)]