65404560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20963}}^1$

素因数の和:20992

約数の個数: 80

約数和(自身を含む): 218361024

約数和(自身を除く): 152956464

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, 20963, 41926, 62889, 83852, 104815, 125778, 167704, 209630, 251556, 272519, 314445, 335408, 419260, 503112, 545038, 628890, 817557, 838520, 1006224, 1090076, 1257780, 1362595, 1635114, 1677040, 2180152, 2515560, 2725190, 3270228, 4087785, 4360304, 5031120, 5450380, 6540456, 8175570, 10900760, 13080912, 16351140, 21801520, 32702280, 65404560]

約数ペア:

[(1, 65404560), (2, 32702280), (3, 21801520), (4, 16351140), (5, 13080912), (6, 10900760), (8, 8175570), (10, 6540456), (12, 5450380), (13, 5031120), (15, 4360304), (16, 4087785), (20, 3270228), (24, 2725190), (26, 2515560), (30, 2180152), (39, 1677040), (40, 1635114), (48, 1362595), (52, 1257780), (60, 1090076), (65, 1006224), (78, 838520), (80, 817557), (104, 628890), (120, 545038), (130, 503112), (156, 419260), (195, 335408), (208, 314445), (240, 272519), (260, 251556), (312, 209630), (390, 167704), (520, 125778), (624, 104815), (780, 83852), (1040, 62889), (1560, 41926), (3120, 20963)]