64811760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20773}}^1$

素因数の和:20802

約数の個数: 80

約数和(自身を含む): 216381984

約数和(自身を除く): 151570224

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, 20773, 41546, 62319, 83092, 103865, 124638, 166184, 207730, 249276, 270049, 311595, 332368, 415460, 498552, 540098, 623190, 810147, 830920, 997104, 1080196, 1246380, 1350245, 1620294, 1661840, 2160392, 2492760, 2700490, 3240588, 4050735, 4320784, 4985520, 5400980, 6481176, 8101470, 10801960, 12962352, 16202940, 21603920, 32405880, 64811760]

約数ペア:

[(1, 64811760), (2, 32405880), (3, 21603920), (4, 16202940), (5, 12962352), (6, 10801960), (8, 8101470), (10, 6481176), (12, 5400980), (13, 4985520), (15, 4320784), (16, 4050735), (20, 3240588), (24, 2700490), (26, 2492760), (30, 2160392), (39, 1661840), (40, 1620294), (48, 1350245), (52, 1246380), (60, 1080196), (65, 997104), (78, 830920), (80, 810147), (104, 623190), (120, 540098), (130, 498552), (156, 415460), (195, 332368), (208, 311595), (240, 270049), (260, 249276), (312, 207730), (390, 166184), (520, 124638), (624, 103865), (780, 83092), (1040, 62319), (1560, 41546), (3120, 20773)]