159473920

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4019}}^1$

素因数の和:4071

約数の個数: 72

約数和(自身を含む): 394410240

約数和(自身を除く): 234936320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4019, 4960, 7936, 8038, 9920, 16076, 19840, 20095, 32152, 39680, 40190, 64304, 80380, 124589, 128608, 160760, 249178, 257216, 321520, 498356, 514432, 622945, 643040, 996712, 1028864, 1245890, 1286080, 1993424, 2491780, 2572160, 3986848, 4983560, 5144320, 7973696, 9967120, 15947392, 19934240, 31894784, 39868480, 79736960, 159473920]

約数ペア:

[(1, 159473920), (2, 79736960), (4, 39868480), (5, 31894784), (8, 19934240), (10, 15947392), (16, 9967120), (20, 7973696), (31, 5144320), (32, 4983560), (40, 3986848), (62, 2572160), (64, 2491780), (80, 1993424), (124, 1286080), (128, 1245890), (155, 1028864), (160, 996712), (248, 643040), (256, 622945), (310, 514432), (320, 498356), (496, 321520), (620, 257216), (640, 249178), (992, 160760), (1240, 128608), (1280, 124589), (1984, 80380), (2480, 64304), (3968, 40190), (4019, 39680), (4960, 32152), (7936, 20095), (8038, 19840), (9920, 16076)]