389675760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{4049}}^1$

素因数の和:4466

約数の個数: 80

約数和(自身を含む): 1211306400

約数和(自身を除く): 821630640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 401, 802, 1203, 1604, 2005, 2406, 3208, 4010, 4049, 4812, 6015, 6416, 8020, 8098, 9624, 12030, 12147, 16040, 16196, 19248, 20245, 24060, 24294, 32080, 32392, 40490, 48120, 48588, 60735, 64784, 80980, 96240, 97176, 121470, 161960, 194352, 242940, 323920, 485880, 971760, 1623649, 3247298, 4870947, 6494596, 8118245, 9741894, 12989192, 16236490, 19483788, 24354735, 25978384, 32472980, 38967576, 48709470, 64945960, 77935152, 97418940, 129891920, 194837880, 389675760]

約数ペア:

[(1, 389675760), (2, 194837880), (3, 129891920), (4, 97418940), (5, 77935152), (6, 64945960), (8, 48709470), (10, 38967576), (12, 32472980), (15, 25978384), (16, 24354735), (20, 19483788), (24, 16236490), (30, 12989192), (40, 9741894), (48, 8118245), (60, 6494596), (80, 4870947), (120, 3247298), (240, 1623649), (401, 971760), (802, 485880), (1203, 323920), (1604, 242940), (2005, 194352), (2406, 161960), (3208, 121470), (4010, 97176), (4049, 96240), (4812, 80980), (6015, 64784), (6416, 60735), (8020, 48588), (8098, 48120), (9624, 40490), (12030, 32392), (12147, 32080), (16040, 24294), (16196, 24060), (19248, 20245)]