56398020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19183}}^1$

素因数の和:19209

約数の個数: 72

約数和(自身を含む): 183705984

約数和(自身を除く): 127307964

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, 19183, 38366, 57549, 76732, 95915, 115098, 134281, 191830, 230196, 268562, 287745, 383660, 402843, 537124, 575490, 671405, 805686, 939967, 1150980, 1342810, 1611372, 1879934, 2014215, 2685620, 2819901, 3759868, 4028430, 4699835, 5639802, 8056860, 9399670, 11279604, 14099505, 18799340, 28199010, 56398020]

約数ペア:

[(1, 56398020), (2, 28199010), (3, 18799340), (4, 14099505), (5, 11279604), (6, 9399670), (7, 8056860), (10, 5639802), (12, 4699835), (14, 4028430), (15, 3759868), (20, 2819901), (21, 2685620), (28, 2014215), (30, 1879934), (35, 1611372), (42, 1342810), (49, 1150980), (60, 939967), (70, 805686), (84, 671405), (98, 575490), (105, 537124), (140, 402843), (147, 383660), (196, 287745), (210, 268562), (245, 230196), (294, 191830), (420, 134281), (490, 115098), (588, 95915), (735, 76732), (980, 57549), (1470, 38366), (2940, 19183)]