1213454580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1555711}}^1$

素因数の和:1555736

約数の個数: 48

約数和(自身を含む): 3659034624

約数和(自身を除く): 2445580044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 1555711, 3111422, 4667133, 6222844, 7778555, 9334266, 15557110, 18668532, 20224243, 23335665, 31114220, 40448486, 46671330, 60672729, 80896972, 93342660, 101121215, 121345458, 202242430, 242690916, 303363645, 404484860, 606727290, 1213454580]

約数ペア:

[(1, 1213454580), (2, 606727290), (3, 404484860), (4, 303363645), (5, 242690916), (6, 202242430), (10, 121345458), (12, 101121215), (13, 93342660), (15, 80896972), (20, 60672729), (26, 46671330), (30, 40448486), (39, 31114220), (52, 23335665), (60, 20224243), (65, 18668532), (78, 15557110), (130, 9334266), (156, 7778555), (195, 6222844), (260, 4667133), (390, 3111422), (780, 1555711)]