71860880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9871}}^1$

素因数の和:9904

約数の個数: 80

約数和(自身を含む): 205653504

約数和(自身を除く): 133792624

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 9871, 19742, 39484, 49355, 69097, 78968, 98710, 128323, 138194, 157936, 197420, 256646, 276388, 345485, 394840, 513292, 552776, 641615, 690970, 789680, 898261, 1026584, 1105552, 1283230, 1381940, 1796522, 2053168, 2566460, 2763880, 3593044, 4491305, 5132920, 5527760, 7186088, 8982610, 10265840, 14372176, 17965220, 35930440, 71860880]

約数ペア:

[(1, 71860880), (2, 35930440), (4, 17965220), (5, 14372176), (7, 10265840), (8, 8982610), (10, 7186088), (13, 5527760), (14, 5132920), (16, 4491305), (20, 3593044), (26, 2763880), (28, 2566460), (35, 2053168), (40, 1796522), (52, 1381940), (56, 1283230), (65, 1105552), (70, 1026584), (80, 898261), (91, 789680), (104, 690970), (112, 641615), (130, 552776), (140, 513292), (182, 394840), (208, 345485), (260, 276388), (280, 256646), (364, 197420), (455, 157936), (520, 138194), (560, 128323), (728, 98710), (910, 78968), (1040, 69097), (1456, 49355), (1820, 39484), (3640, 19742), (7280, 9871)]