157285840

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{607}}^1$

素因数の和:740

約数の個数: 80

約数和(自身を含む): 379975680

約数和(自身を除く): 222689840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 79, 80, 82, 158, 164, 205, 316, 328, 395, 410, 607, 632, 656, 790, 820, 1214, 1264, 1580, 1640, 2428, 3035, 3160, 3239, 3280, 4856, 6070, 6320, 6478, 9712, 12140, 12956, 16195, 24280, 24887, 25912, 32390, 47953, 48560, 49774, 51824, 64780, 95906, 99548, 124435, 129560, 191812, 199096, 239765, 248870, 259120, 383624, 398192, 479530, 497740, 767248, 959060, 995480, 1918120, 1966073, 1990960, 3836240, 3932146, 7864292, 9830365, 15728584, 19660730, 31457168, 39321460, 78642920, 157285840]

約数ペア:

[(1, 157285840), (2, 78642920), (4, 39321460), (5, 31457168), (8, 19660730), (10, 15728584), (16, 9830365), (20, 7864292), (40, 3932146), (41, 3836240), (79, 1990960), (80, 1966073), (82, 1918120), (158, 995480), (164, 959060), (205, 767248), (316, 497740), (328, 479530), (395, 398192), (410, 383624), (607, 259120), (632, 248870), (656, 239765), (790, 199096), (820, 191812), (1214, 129560), (1264, 124435), (1580, 99548), (1640, 95906), (2428, 64780), (3035, 51824), (3160, 49774), (3239, 48560), (3280, 47953), (4856, 32390), (6070, 25912), (6320, 24887), (6478, 24280), (9712, 16195), (12140, 12956)]