28955940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37123}}^1$

素因数の和:37148

約数の個数: 48

約数和(自身を含む): 87315648

約数和(自身を除く): 58359708

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, 37123, 74246, 111369, 148492, 185615, 222738, 371230, 445476, 482599, 556845, 742460, 965198, 1113690, 1447797, 1930396, 2227380, 2412995, 2895594, 4825990, 5791188, 7238985, 9651980, 14477970, 28955940]

約数ペア:

[(1, 28955940), (2, 14477970), (3, 9651980), (4, 7238985), (5, 5791188), (6, 4825990), (10, 2895594), (12, 2412995), (13, 2227380), (15, 1930396), (20, 1447797), (26, 1113690), (30, 965198), (39, 742460), (52, 556845), (60, 482599), (65, 445476), (78, 371230), (130, 222738), (156, 185615), (195, 148492), (260, 111369), (390, 74246), (780, 37123)]