81094020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{27583}}^1$

素因数の和:27609

約数の個数: 72

約数和(自身を含む): 264144384

約数和(自身を除く): 183050364

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 27583, 55166, 82749, 110332, 137915, 165498, 193081, 275830, 330996, 386162, 413745, 551660, 579243, 772324, 827490, 965405, 1158486, 1351567, 1654980, 1930810, 2316972, 2703134, 2896215, 3861620, 4054701, 5406268, 5792430, 6757835, 8109402, 11584860, 13515670, 16218804, 20273505, 27031340, 40547010, 81094020]

約数ペア:

[(1, 81094020), (2, 40547010), (3, 27031340), (4, 20273505), (5, 16218804), (6, 13515670), (7, 11584860), (10, 8109402), (12, 6757835), (14, 5792430), (15, 5406268), (20, 4054701), (21, 3861620), (28, 2896215), (30, 2703134), (35, 2316972), (42, 1930810), (49, 1654980), (60, 1351567), (70, 1158486), (84, 965405), (98, 827490), (105, 772324), (140, 579243), (147, 551660), (196, 413745), (210, 386162), (245, 330996), (294, 275830), (420, 193081), (490, 165498), (588, 137915), (735, 110332), (980, 82749), (1470, 55166), (2940, 27583)]