73646960

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:406

約数の個数: 80

約数和(自身を含む): 178083840

約数和(自身を除く): 104436880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 79, 80, 86, 158, 172, 215, 271, 316, 344, 395, 430, 542, 632, 688, 790, 860, 1084, 1264, 1355, 1580, 1720, 2168, 2710, 3160, 3397, 3440, 4336, 5420, 6320, 6794, 10840, 11653, 13588, 16985, 21409, 21680, 23306, 27176, 33970, 42818, 46612, 54352, 58265, 67940, 85636, 93224, 107045, 116530, 135880, 171272, 186448, 214090, 233060, 271760, 342544, 428180, 466120, 856360, 920587, 932240, 1712720, 1841174, 3682348, 4602935, 7364696, 9205870, 14729392, 18411740, 36823480, 73646960]

約数ペア:

[(1, 73646960), (2, 36823480), (4, 18411740), (5, 14729392), (8, 9205870), (10, 7364696), (16, 4602935), (20, 3682348), (40, 1841174), (43, 1712720), (79, 932240), (80, 920587), (86, 856360), (158, 466120), (172, 428180), (215, 342544), (271, 271760), (316, 233060), (344, 214090), (395, 186448), (430, 171272), (542, 135880), (632, 116530), (688, 107045), (790, 93224), (860, 85636), (1084, 67940), (1264, 58265), (1355, 54352), (1580, 46612), (1720, 42818), (2168, 33970), (2710, 27176), (3160, 23306), (3397, 21680), (3440, 21409), (4336, 16985), (5420, 13588), (6320, 11653), (6794, 10840)]