83845720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4909}}^1$

素因数の和:4988

約数の個数: 64

約数和(自身を含む): 219182400

約数和(自身を除く): 135336680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1708, 2135, 2440, 3416, 4270, 4909, 8540, 9818, 17080, 19636, 24545, 34363, 39272, 49090, 68726, 98180, 137452, 171815, 196360, 274904, 299449, 343630, 598898, 687260, 1197796, 1374520, 1497245, 2096143, 2395592, 2994490, 4192286, 5988980, 8384572, 10480715, 11977960, 16769144, 20961430, 41922860, 83845720]

約数ペア:

[(1, 83845720), (2, 41922860), (4, 20961430), (5, 16769144), (7, 11977960), (8, 10480715), (10, 8384572), (14, 5988980), (20, 4192286), (28, 2994490), (35, 2395592), (40, 2096143), (56, 1497245), (61, 1374520), (70, 1197796), (122, 687260), (140, 598898), (244, 343630), (280, 299449), (305, 274904), (427, 196360), (488, 171815), (610, 137452), (854, 98180), (1220, 68726), (1708, 49090), (2135, 39272), (2440, 34363), (3416, 24545), (4270, 19636), (4909, 17080), (8540, 9818)]