81475920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{113161}}^1$

素因数の和:113180

約数の個数: 60

約数和(自身を含む): 273625716

約数和(自身を除く): 192149796

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 113161, 226322, 339483, 452644, 565805, 678966, 905288, 1018449, 1131610, 1357932, 1697415, 1810576, 2036898, 2263220, 2715864, 3394830, 4073796, 4526440, 5092245, 5431728, 6789660, 8147592, 9052880, 10184490, 13579320, 16295184, 20368980, 27158640, 40737960, 81475920]

約数ペア:

[(1, 81475920), (2, 40737960), (3, 27158640), (4, 20368980), (5, 16295184), (6, 13579320), (8, 10184490), (9, 9052880), (10, 8147592), (12, 6789660), (15, 5431728), (16, 5092245), (18, 4526440), (20, 4073796), (24, 3394830), (30, 2715864), (36, 2263220), (40, 2036898), (45, 1810576), (48, 1697415), (60, 1357932), (72, 1131610), (80, 1018449), (90, 905288), (120, 678966), (144, 565805), (180, 452644), (240, 339483), (360, 226322), (720, 113161)]