164440620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{2081}}^1$

素因数の和:2535

約数の個数: 72

約数和(自身を含む): 500179680

約数和(自身を除く): 335739060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 439, 878, 1317, 1756, 2081, 2195, 2634, 3951, 4162, 4390, 5268, 6243, 6585, 7902, 8324, 8780, 10405, 12486, 13170, 15804, 18729, 19755, 20810, 24972, 26340, 31215, 37458, 39510, 41620, 62430, 74916, 79020, 93645, 124860, 187290, 374580, 913559, 1827118, 2740677, 3654236, 4567795, 5481354, 8222031, 9135590, 10962708, 13703385, 16444062, 18271180, 27406770, 32888124, 41110155, 54813540, 82220310, 164440620]

約数ペア:

[(1, 164440620), (2, 82220310), (3, 54813540), (4, 41110155), (5, 32888124), (6, 27406770), (9, 18271180), (10, 16444062), (12, 13703385), (15, 10962708), (18, 9135590), (20, 8222031), (30, 5481354), (36, 4567795), (45, 3654236), (60, 2740677), (90, 1827118), (180, 913559), (439, 374580), (878, 187290), (1317, 124860), (1756, 93645), (2081, 79020), (2195, 74916), (2634, 62430), (3951, 41620), (4162, 39510), (4390, 37458), (5268, 31215), (6243, 26340), (6585, 24972), (7902, 20810), (8324, 19755), (8780, 18729), (10405, 15804), (12486, 13170)]