81666750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:571

約数の個数: 128

約数和(自身を含む): 234524160

約数和(自身を除く): 152857410

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 19, 22, 25, 30, 33, 38, 50, 55, 57, 66, 75, 95, 110, 114, 125, 150, 165, 190, 209, 250, 275, 285, 330, 375, 418, 475, 521, 550, 570, 627, 750, 825, 950, 1042, 1045, 1254, 1375, 1425, 1563, 1650, 2090, 2375, 2605, 2750, 2850, 3126, 3135, 4125, 4750, 5210, 5225, 5731, 6270, 7125, 7815, 8250, 9899, 10450, 11462, 13025, 14250, 15630, 15675, 17193, 19798, 26050, 26125, 28655, 29697, 31350, 34386, 39075, 49495, 52250, 57310, 59394, 65125, 78150, 78375, 85965, 98990, 108889, 130250, 143275, 148485, 156750, 171930, 195375, 217778, 247475, 286550, 296970, 326667, 390750, 429825, 494950, 544445, 653334, 716375, 742425, 859650, 1088890, 1237375, 1432750, 1484850, 1633335, 2149125, 2474750, 2722225, 3266670, 3712125, 4298250, 5444450, 7424250, 8166675, 13611125, 16333350, 27222250, 40833375, 81666750]

約数ペア:

[(1, 81666750), (2, 40833375), (3, 27222250), (5, 16333350), (6, 13611125), (10, 8166675), (11, 7424250), (15, 5444450), (19, 4298250), (22, 3712125), (25, 3266670), (30, 2722225), (33, 2474750), (38, 2149125), (50, 1633335), (55, 1484850), (57, 1432750), (66, 1237375), (75, 1088890), (95, 859650), (110, 742425), (114, 716375), (125, 653334), (150, 544445), (165, 494950), (190, 429825), (209, 390750), (250, 326667), (275, 296970), (285, 286550), (330, 247475), (375, 217778), (418, 195375), (475, 171930), (521, 156750), (550, 148485), (570, 143275), (627, 130250), (750, 108889), (825, 98990), (950, 85965), (1042, 78375), (1045, 78150), (1254, 65125), (1375, 59394), (1425, 57310), (1563, 52250), (1650, 49495), (2090, 39075), (2375, 34386), (2605, 31350), (2750, 29697), (2850, 28655), (3126, 26125), (3135, 26050), (4125, 19798), (4750, 17193), (5210, 15675), (5225, 15630), (5731, 14250), (6270, 13025), (7125, 11462), (7815, 10450), (8250, 9899)]