64566840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41389}}^1$

素因数の和:41416

約数の個数: 64

約数和(自身を含む): 208605600

約数和(自身を除く): 144038760

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, 41389, 82778, 124167, 165556, 206945, 248334, 331112, 413890, 496668, 538057, 620835, 827780, 993336, 1076114, 1241670, 1614171, 1655560, 2152228, 2483340, 2690285, 3228342, 4304456, 4966680, 5380570, 6456684, 8070855, 10761140, 12913368, 16141710, 21522280, 32283420, 64566840]

約数ペア:

[(1, 64566840), (2, 32283420), (3, 21522280), (4, 16141710), (5, 12913368), (6, 10761140), (8, 8070855), (10, 6456684), (12, 5380570), (13, 4966680), (15, 4304456), (20, 3228342), (24, 2690285), (26, 2483340), (30, 2152228), (39, 1655560), (40, 1614171), (52, 1241670), (60, 1076114), (65, 993336), (78, 827780), (104, 620835), (120, 538057), (130, 496668), (156, 413890), (195, 331112), (260, 248334), (312, 206945), (390, 165556), (520, 124167), (780, 82778), (1560, 41389)]