4008120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{263}}^1$

素因数の和:404

約数の個数: 64

約数和(自身を含む): 12165120

約数和(自身を除く): 8157000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 127, 254, 263, 381, 508, 526, 635, 762, 789, 1016, 1052, 1270, 1315, 1524, 1578, 1905, 2104, 2540, 2630, 3048, 3156, 3810, 3945, 5080, 5260, 6312, 7620, 7890, 10520, 15240, 15780, 31560, 33401, 66802, 100203, 133604, 167005, 200406, 267208, 334010, 400812, 501015, 668020, 801624, 1002030, 1336040, 2004060, 4008120]

約数ペア:

[(1, 4008120), (2, 2004060), (3, 1336040), (4, 1002030), (5, 801624), (6, 668020), (8, 501015), (10, 400812), (12, 334010), (15, 267208), (20, 200406), (24, 167005), (30, 133604), (40, 100203), (60, 66802), (120, 33401), (127, 31560), (254, 15780), (263, 15240), (381, 10520), (508, 7890), (526, 7620), (635, 6312), (762, 5260), (789, 5080), (1016, 3945), (1052, 3810), (1270, 3156), (1315, 3048), (1524, 2630), (1578, 2540), (1905, 2104)]