137780820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{4229}}^1$

素因数の和:4425

約数の個数: 72

約数和(自身を含む): 420343560

約数和(自身を除く): 282562740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 181, 362, 543, 724, 905, 1086, 1629, 1810, 2172, 2715, 3258, 3620, 4229, 5430, 6516, 8145, 8458, 10860, 12687, 16290, 16916, 21145, 25374, 32580, 38061, 42290, 50748, 63435, 76122, 84580, 126870, 152244, 190305, 253740, 380610, 761220, 765449, 1530898, 2296347, 3061796, 3827245, 4592694, 6889041, 7654490, 9185388, 11481735, 13778082, 15308980, 22963470, 27556164, 34445205, 45926940, 68890410, 137780820]

約数ペア:

[(1, 137780820), (2, 68890410), (3, 45926940), (4, 34445205), (5, 27556164), (6, 22963470), (9, 15308980), (10, 13778082), (12, 11481735), (15, 9185388), (18, 7654490), (20, 6889041), (30, 4592694), (36, 3827245), (45, 3061796), (60, 2296347), (90, 1530898), (180, 765449), (181, 761220), (362, 380610), (543, 253740), (724, 190305), (905, 152244), (1086, 126870), (1629, 84580), (1810, 76122), (2172, 63435), (2715, 50748), (3258, 42290), (3620, 38061), (4229, 32580), (5430, 25374), (6516, 21145), (8145, 16916), (8458, 16290), (10860, 12687)]