133780720

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{9239}}^1$

素因数の和:9433

約数の個数: 40

約数和(自身を含む): 312792480

約数和(自身を除く): 179011760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 362, 724, 905, 1448, 1810, 2896, 3620, 7240, 9239, 14480, 18478, 36956, 46195, 73912, 92390, 147824, 184780, 369560, 739120, 1672259, 3344518, 6689036, 8361295, 13378072, 16722590, 26756144, 33445180, 66890360, 133780720]

約数ペア:

[(1, 133780720), (2, 66890360), (4, 33445180), (5, 26756144), (8, 16722590), (10, 13378072), (16, 8361295), (20, 6689036), (40, 3344518), (80, 1672259), (181, 739120), (362, 369560), (724, 184780), (905, 147824), (1448, 92390), (1810, 73912), (2896, 46195), (3620, 36956), (7240, 18478), (9239, 14480)]