84661980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{108541}}^1$

素因数の和:108566

約数の個数: 48

約数和(自身を含む): 255290784

約数和(自身を除く): 170628804

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, 108541, 217082, 325623, 434164, 542705, 651246, 1085410, 1302492, 1411033, 1628115, 2170820, 2822066, 3256230, 4233099, 5644132, 6512460, 7055165, 8466198, 14110330, 16932396, 21165495, 28220660, 42330990, 84661980]

約数ペア:

[(1, 84661980), (2, 42330990), (3, 28220660), (4, 21165495), (5, 16932396), (6, 14110330), (10, 8466198), (12, 7055165), (13, 6512460), (15, 5644132), (20, 4233099), (26, 3256230), (30, 2822066), (39, 2170820), (52, 1628115), (60, 1411033), (65, 1302492), (78, 1085410), (130, 651246), (156, 542705), (195, 434164), (260, 325623), (390, 217082), (780, 108541)]