72708640

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:290

約数の個数: 96

約数和(自身を含む): 180278784

約数和(自身を除く): 107570144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 107, 124, 137, 155, 160, 214, 248, 274, 310, 428, 496, 535, 548, 620, 685, 856, 992, 1070, 1096, 1240, 1370, 1712, 2140, 2192, 2480, 2740, 3317, 3424, 4247, 4280, 4384, 4960, 5480, 6634, 8494, 8560, 10960, 13268, 14659, 16585, 16988, 17120, 21235, 21920, 26536, 29318, 33170, 33976, 42470, 53072, 58636, 66340, 67952, 73295, 84940, 106144, 117272, 132680, 135904, 146590, 169880, 234544, 265360, 293180, 339760, 454429, 469088, 530720, 586360, 679520, 908858, 1172720, 1817716, 2272145, 2345440, 3635432, 4544290, 7270864, 9088580, 14541728, 18177160, 36354320, 72708640]

約数ペア:

[(1, 72708640), (2, 36354320), (4, 18177160), (5, 14541728), (8, 9088580), (10, 7270864), (16, 4544290), (20, 3635432), (31, 2345440), (32, 2272145), (40, 1817716), (62, 1172720), (80, 908858), (107, 679520), (124, 586360), (137, 530720), (155, 469088), (160, 454429), (214, 339760), (248, 293180), (274, 265360), (310, 234544), (428, 169880), (496, 146590), (535, 135904), (548, 132680), (620, 117272), (685, 106144), (856, 84940), (992, 73295), (1070, 67952), (1096, 66340), (1240, 58636), (1370, 53072), (1712, 42470), (2140, 33976), (2192, 33170), (2480, 29318), (2740, 26536), (3317, 21920), (3424, 21235), (4247, 17120), (4280, 16988), (4384, 16585), (4960, 14659), (5480, 13268), (6634, 10960), (8494, 8560)]