179620720

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{293}}^1$

素因数の和:482

約数の個数: 80

約数和(自身を含む): 428722560

約数和(自身を除く): 249101840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 97, 158, 194, 293, 316, 388, 395, 485, 586, 632, 776, 790, 970, 1172, 1264, 1465, 1552, 1580, 1940, 2344, 2930, 3160, 3880, 4688, 5860, 6320, 7663, 7760, 11720, 15326, 23147, 23440, 28421, 30652, 38315, 46294, 56842, 61304, 76630, 92588, 113684, 115735, 122608, 142105, 153260, 185176, 227368, 231470, 284210, 306520, 370352, 454736, 462940, 568420, 613040, 925880, 1136840, 1851760, 2245259, 2273680, 4490518, 8981036, 11226295, 17962072, 22452590, 35924144, 44905180, 89810360, 179620720]

約数ペア:

[(1, 179620720), (2, 89810360), (4, 44905180), (5, 35924144), (8, 22452590), (10, 17962072), (16, 11226295), (20, 8981036), (40, 4490518), (79, 2273680), (80, 2245259), (97, 1851760), (158, 1136840), (194, 925880), (293, 613040), (316, 568420), (388, 462940), (395, 454736), (485, 370352), (586, 306520), (632, 284210), (776, 231470), (790, 227368), (970, 185176), (1172, 153260), (1264, 142105), (1465, 122608), (1552, 115735), (1580, 113684), (1940, 92588), (2344, 76630), (2930, 61304), (3160, 56842), (3880, 46294), (4688, 38315), (5860, 30652), (6320, 28421), (7663, 23440), (7760, 23147), (11720, 15326)]