138641880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{88873}}^1$

素因数の和:88900

約数の個数: 64

約数和(自身を含む): 447924960

約数和(自身を除く): 309283080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 88873, 177746, 266619, 355492, 444365, 533238, 710984, 888730, 1066476, 1155349, 1333095, 1777460, 2132952, 2310698, 2666190, 3466047, 3554920, 4621396, 5332380, 5776745, 6932094, 9242792, 10664760, 11553490, 13864188, 17330235, 23106980, 27728376, 34660470, 46213960, 69320940, 138641880]

約数ペア:

[(1, 138641880), (2, 69320940), (3, 46213960), (4, 34660470), (5, 27728376), (6, 23106980), (8, 17330235), (10, 13864188), (12, 11553490), (13, 10664760), (15, 9242792), (20, 6932094), (24, 5776745), (26, 5332380), (30, 4621396), (39, 3554920), (40, 3466047), (52, 2666190), (60, 2310698), (65, 2132952), (78, 1777460), (104, 1333095), (120, 1155349), (130, 1066476), (156, 888730), (195, 710984), (260, 533238), (312, 444365), (390, 355492), (520, 266619), (780, 177746), (1560, 88873)]