180331280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4091}}^1$

素因数の和:4152

約数の個数: 80

約数和(自身を含む): 456667200

約数和(自身を除く): 276335920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 38, 40, 58, 76, 80, 95, 116, 145, 152, 190, 232, 290, 304, 380, 464, 551, 580, 760, 1102, 1160, 1520, 2204, 2320, 2755, 4091, 4408, 5510, 8182, 8816, 11020, 16364, 20455, 22040, 32728, 40910, 44080, 65456, 77729, 81820, 118639, 155458, 163640, 237278, 310916, 327280, 388645, 474556, 593195, 621832, 777290, 949112, 1186390, 1243664, 1554580, 1898224, 2254141, 2372780, 3109160, 4508282, 4745560, 6218320, 9016564, 9491120, 11270705, 18033128, 22541410, 36066256, 45082820, 90165640, 180331280]

約数ペア:

[(1, 180331280), (2, 90165640), (4, 45082820), (5, 36066256), (8, 22541410), (10, 18033128), (16, 11270705), (19, 9491120), (20, 9016564), (29, 6218320), (38, 4745560), (40, 4508282), (58, 3109160), (76, 2372780), (80, 2254141), (95, 1898224), (116, 1554580), (145, 1243664), (152, 1186390), (190, 949112), (232, 777290), (290, 621832), (304, 593195), (380, 474556), (464, 388645), (551, 327280), (580, 310916), (760, 237278), (1102, 163640), (1160, 155458), (1520, 118639), (2204, 81820), (2320, 77729), (2755, 65456), (4091, 44080), (4408, 40910), (5510, 32728), (8182, 22040), (8816, 20455), (11020, 16364)]