72878760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{202441}}^1$

素因数の和:202458

約数の個数: 48

約数和(自身を含む): 236857140

約数和(自身を除く): 163978380

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 202441, 404882, 607323, 809764, 1012205, 1214646, 1619528, 1821969, 2024410, 2429292, 3036615, 3643938, 4048820, 4858584, 6073230, 7287876, 8097640, 9109845, 12146460, 14575752, 18219690, 24292920, 36439380, 72878760]

約数ペア:

[(1, 72878760), (2, 36439380), (3, 24292920), (4, 18219690), (5, 14575752), (6, 12146460), (8, 9109845), (9, 8097640), (10, 7287876), (12, 6073230), (15, 4858584), (18, 4048820), (20, 3643938), (24, 3036615), (30, 2429292), (36, 2024410), (40, 1821969), (45, 1619528), (60, 1214646), (72, 1012205), (90, 809764), (120, 607323), (180, 404882), (360, 202441)]