721000380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{479}}^1\times {\mathrm{25087}}^1$

素因数の和:25578

約数の個数: 48

約数和(自身を含む): 2023096320

約数和(自身を除く): 1302095940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 479, 958, 1437, 1916, 2395, 2874, 4790, 5748, 7185, 9580, 14370, 25087, 28740, 50174, 75261, 100348, 125435, 150522, 250870, 301044, 376305, 501740, 752610, 1505220, 12016673, 24033346, 36050019, 48066692, 60083365, 72100038, 120166730, 144200076, 180250095, 240333460, 360500190, 721000380]

約数ペア:

[(1, 721000380), (2, 360500190), (3, 240333460), (4, 180250095), (5, 144200076), (6, 120166730), (10, 72100038), (12, 60083365), (15, 48066692), (20, 36050019), (30, 24033346), (60, 12016673), (479, 1505220), (958, 752610), (1437, 501740), (1916, 376305), (2395, 301044), (2874, 250870), (4790, 150522), (5748, 125435), (7185, 100348), (9580, 75261), (14370, 50174), (25087, 28740)]