31285080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{47}}^1$

素因数の和:150

約数の個数: 144

約数和(自身を含む): 106310880

約数和(自身を除く): 75025800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 43, 45, 47, 60, 72, 86, 90, 94, 120, 129, 141, 172, 180, 188, 215, 235, 258, 282, 344, 360, 376, 387, 423, 430, 470, 516, 564, 645, 705, 774, 846, 860, 940, 1032, 1128, 1290, 1410, 1548, 1692, 1720, 1849, 1880, 1935, 2021, 2115, 2580, 2820, 3096, 3384, 3698, 3870, 4042, 4230, 5160, 5547, 5640, 6063, 7396, 7740, 8084, 8460, 9245, 10105, 11094, 12126, 14792, 15480, 16168, 16641, 16920, 18189, 18490, 20210, 22188, 24252, 27735, 30315, 33282, 36378, 36980, 40420, 44376, 48504, 55470, 60630, 66564, 72756, 73960, 80840, 83205, 86903, 90945, 110940, 121260, 133128, 145512, 166410, 173806, 181890, 221880, 242520, 260709, 332820, 347612, 363780, 434515, 521418, 665640, 695224, 727560, 782127, 869030, 1042836, 1303545, 1564254, 1738060, 2085672, 2607090, 3128508, 3476120, 3910635, 5214180, 6257016, 7821270, 10428360, 15642540, 31285080]

約数ペア:

[(1, 31285080), (2, 15642540), (3, 10428360), (4, 7821270), (5, 6257016), (6, 5214180), (8, 3910635), (9, 3476120), (10, 3128508), (12, 2607090), (15, 2085672), (18, 1738060), (20, 1564254), (24, 1303545), (30, 1042836), (36, 869030), (40, 782127), (43, 727560), (45, 695224), (47, 665640), (60, 521418), (72, 434515), (86, 363780), (90, 347612), (94, 332820), (120, 260709), (129, 242520), (141, 221880), (172, 181890), (180, 173806), (188, 166410), (215, 145512), (235, 133128), (258, 121260), (282, 110940), (344, 90945), (360, 86903), (376, 83205), (387, 80840), (423, 73960), (430, 72756), (470, 66564), (516, 60630), (564, 55470), (645, 48504), (705, 44376), (774, 40420), (846, 36980), (860, 36378), (940, 33282), (1032, 30315), (1128, 27735), (1290, 24252), (1410, 22188), (1548, 20210), (1692, 18490), (1720, 18189), (1849, 16920), (1880, 16641), (1935, 16168), (2021, 15480), (2115, 14792), (2580, 12126), (2820, 11094), (3096, 10105), (3384, 9245), (3698, 8460), (3870, 8084), (4042, 7740), (4230, 7396), (5160, 6063), (5547, 5640)]