155748440

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{317}}^1$

素因数の和:572

約数の個数: 64

約数和(自身を含む): 358551360

約数和(自身を除く): 202802920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 173, 284, 317, 346, 355, 568, 634, 692, 710, 865, 1268, 1384, 1420, 1585, 1730, 2536, 2840, 3170, 3460, 6340, 6920, 12283, 12680, 22507, 24566, 45014, 49132, 54841, 61415, 90028, 98264, 109682, 112535, 122830, 180056, 219364, 225070, 245660, 274205, 438728, 450140, 491320, 548410, 900280, 1096820, 2193640, 3893711, 7787422, 15574844, 19468555, 31149688, 38937110, 77874220, 155748440]

約数ペア:

[(1, 155748440), (2, 77874220), (4, 38937110), (5, 31149688), (8, 19468555), (10, 15574844), (20, 7787422), (40, 3893711), (71, 2193640), (142, 1096820), (173, 900280), (284, 548410), (317, 491320), (346, 450140), (355, 438728), (568, 274205), (634, 245660), (692, 225070), (710, 219364), (865, 180056), (1268, 122830), (1384, 112535), (1420, 109682), (1585, 98264), (1730, 90028), (2536, 61415), (2840, 54841), (3170, 49132), (3460, 45014), (6340, 24566), (6920, 22507), (12283, 12680)]