81173040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26017}}^1$

素因数の和:26046

約数の個数: 80

約数和(自身を含む): 271003488

約数和(自身を除く): 189830448

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 26017, 52034, 78051, 104068, 130085, 156102, 208136, 260170, 312204, 338221, 390255, 416272, 520340, 624408, 676442, 780510, 1014663, 1040680, 1248816, 1352884, 1561020, 1691105, 2029326, 2081360, 2705768, 3122040, 3382210, 4058652, 5073315, 5411536, 6244080, 6764420, 8117304, 10146630, 13528840, 16234608, 20293260, 27057680, 40586520, 81173040]

約数ペア:

[(1, 81173040), (2, 40586520), (3, 27057680), (4, 20293260), (5, 16234608), (6, 13528840), (8, 10146630), (10, 8117304), (12, 6764420), (13, 6244080), (15, 5411536), (16, 5073315), (20, 4058652), (24, 3382210), (26, 3122040), (30, 2705768), (39, 2081360), (40, 2029326), (48, 1691105), (52, 1561020), (60, 1352884), (65, 1248816), (78, 1040680), (80, 1014663), (104, 780510), (120, 676442), (130, 624408), (156, 520340), (195, 416272), (208, 390255), (240, 338221), (260, 312204), (312, 260170), (390, 208136), (520, 156102), (624, 130085), (780, 104068), (1040, 78051), (1560, 52034), (3120, 26017)]