381721860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163129}}^1$

素因数の和:163157

約数の個数: 72

約数和(自身を含む): 1246965720

約数和(自身を除く): 865243860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 163129, 326258, 489387, 652516, 815645, 978774, 1468161, 1631290, 1957548, 2120677, 2446935, 2936322, 3262580, 4241354, 4893870, 5872644, 6362031, 7340805, 8482708, 9787740, 10603385, 12724062, 14681610, 19086093, 21206770, 25448124, 29363220, 31810155, 38172186, 42413540, 63620310, 76344372, 95430465, 127240620, 190860930, 381721860]

約数ペア:

[(1, 381721860), (2, 190860930), (3, 127240620), (4, 95430465), (5, 76344372), (6, 63620310), (9, 42413540), (10, 38172186), (12, 31810155), (13, 29363220), (15, 25448124), (18, 21206770), (20, 19086093), (26, 14681610), (30, 12724062), (36, 10603385), (39, 9787740), (45, 8482708), (52, 7340805), (60, 6362031), (65, 5872644), (78, 4893870), (90, 4241354), (117, 3262580), (130, 2936322), (156, 2446935), (180, 2120677), (195, 1957548), (234, 1631290), (260, 1468161), (390, 978774), (468, 815645), (585, 652516), (780, 489387), (1170, 326258), (2340, 163129)]