71683020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^2\times {\mathrm{79}}^1$

素因数の和:236

約数の個数: 108

約数和(自身を含む): 223335840

約数和(自身を除く): 151652820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 79, 90, 142, 158, 180, 213, 237, 284, 316, 355, 395, 426, 474, 639, 710, 711, 790, 852, 948, 1065, 1185, 1278, 1420, 1422, 1580, 2130, 2370, 2556, 2844, 3195, 3555, 4260, 4740, 5041, 5609, 6390, 7110, 10082, 11218, 12780, 14220, 15123, 16827, 20164, 22436, 25205, 28045, 30246, 33654, 45369, 50410, 50481, 56090, 60492, 67308, 75615, 84135, 90738, 100820, 100962, 112180, 151230, 168270, 181476, 201924, 226845, 252405, 302460, 336540, 398239, 453690, 504810, 796478, 907380, 1009620, 1194717, 1592956, 1991195, 2389434, 3584151, 3982390, 4778868, 5973585, 7168302, 7964780, 11947170, 14336604, 17920755, 23894340, 35841510, 71683020]

約数ペア:

[(1, 71683020), (2, 35841510), (3, 23894340), (4, 17920755), (5, 14336604), (6, 11947170), (9, 7964780), (10, 7168302), (12, 5973585), (15, 4778868), (18, 3982390), (20, 3584151), (30, 2389434), (36, 1991195), (45, 1592956), (60, 1194717), (71, 1009620), (79, 907380), (90, 796478), (142, 504810), (158, 453690), (180, 398239), (213, 336540), (237, 302460), (284, 252405), (316, 226845), (355, 201924), (395, 181476), (426, 168270), (474, 151230), (639, 112180), (710, 100962), (711, 100820), (790, 90738), (852, 84135), (948, 75615), (1065, 67308), (1185, 60492), (1278, 56090), (1420, 50481), (1422, 50410), (1580, 45369), (2130, 33654), (2370, 30246), (2556, 28045), (2844, 25205), (3195, 22436), (3555, 20164), (4260, 16827), (4740, 15123), (5041, 14220), (5609, 12780), (6390, 11218), (7110, 10082)]