120815490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{2683}}^1$

素因数の和:2791

約数の個数: 64

約数和(自身を含む): 309196800

約数和(自身を除く): 188381310

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 79, 95, 114, 158, 190, 237, 285, 395, 474, 570, 790, 1185, 1501, 2370, 2683, 3002, 4503, 5366, 7505, 8049, 9006, 13415, 15010, 16098, 22515, 26830, 40245, 45030, 50977, 80490, 101954, 152931, 211957, 254885, 305862, 423914, 509770, 635871, 764655, 1059785, 1271742, 1529310, 2119570, 3179355, 4027183, 6358710, 8054366, 12081549, 20135915, 24163098, 40271830, 60407745, 120815490]

約数ペア:

[(1, 120815490), (2, 60407745), (3, 40271830), (5, 24163098), (6, 20135915), (10, 12081549), (15, 8054366), (19, 6358710), (30, 4027183), (38, 3179355), (57, 2119570), (79, 1529310), (95, 1271742), (114, 1059785), (158, 764655), (190, 635871), (237, 509770), (285, 423914), (395, 305862), (474, 254885), (570, 211957), (790, 152931), (1185, 101954), (1501, 80490), (2370, 50977), (2683, 45030), (3002, 40245), (4503, 26830), (5366, 22515), (7505, 16098), (8049, 15010), (9006, 13415)]