81402480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{677}}^1$

素因数の和:863

約数の個数: 120

約数和(自身を含む): 275419872

約数和(自身を除く): 194017392

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, 167, 180, 240, 334, 360, 501, 668, 677, 720, 835, 1002, 1336, 1354, 1503, 1670, 2004, 2031, 2505, 2672, 2708, 3006, 3340, 3385, 4008, 4062, 5010, 5416, 6012, 6093, 6680, 6770, 7515, 8016, 8124, 10020, 10155, 10832, 12024, 12186, 13360, 13540, 15030, 16248, 20040, 20310, 24048, 24372, 27080, 30060, 30465, 32496, 40080, 40620, 48744, 54160, 60120, 60930, 81240, 97488, 113059, 120240, 121860, 162480, 226118, 243720, 339177, 452236, 487440, 565295, 678354, 904472, 1017531, 1130590, 1356708, 1695885, 1808944, 2035062, 2261180, 2713416, 3391770, 4070124, 4522360, 5087655, 5426832, 6783540, 8140248, 9044720, 10175310, 13567080, 16280496, 20350620, 27134160, 40701240, 81402480]

約数ペア:

[(1, 81402480), (2, 40701240), (3, 27134160), (4, 20350620), (5, 16280496), (6, 13567080), (8, 10175310), (9, 9044720), (10, 8140248), (12, 6783540), (15, 5426832), (16, 5087655), (18, 4522360), (20, 4070124), (24, 3391770), (30, 2713416), (36, 2261180), (40, 2035062), (45, 1808944), (48, 1695885), (60, 1356708), (72, 1130590), (80, 1017531), (90, 904472), (120, 678354), (144, 565295), (167, 487440), (180, 452236), (240, 339177), (334, 243720), (360, 226118), (501, 162480), (668, 121860), (677, 120240), (720, 113059), (835, 97488), (1002, 81240), (1336, 60930), (1354, 60120), (1503, 54160), (1670, 48744), (2004, 40620), (2031, 40080), (2505, 32496), (2672, 30465), (2708, 30060), (3006, 27080), (3340, 24372), (3385, 24048), (4008, 20310), (4062, 20040), (5010, 16248), (5416, 15030), (6012, 13540), (6093, 13360), (6680, 12186), (6770, 12024), (7515, 10832), (8016, 10155), (8124, 10020)]