8072820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:214

約数の個数: 144

約数和(自身を含む): 28828800

約数和(自身を除く): 20755980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 43, 45, 60, 63, 70, 84, 86, 90, 105, 126, 129, 140, 149, 172, 180, 210, 215, 252, 258, 298, 301, 315, 387, 420, 430, 447, 516, 596, 602, 630, 645, 745, 774, 860, 894, 903, 1043, 1204, 1260, 1290, 1341, 1490, 1505, 1548, 1788, 1806, 1935, 2086, 2235, 2580, 2682, 2709, 2980, 3010, 3129, 3612, 3870, 4172, 4470, 4515, 5215, 5364, 5418, 6020, 6258, 6407, 6705, 7740, 8940, 9030, 9387, 10430, 10836, 12516, 12814, 13410, 13545, 15645, 18060, 18774, 19221, 20860, 25628, 26820, 27090, 31290, 32035, 37548, 38442, 44849, 46935, 54180, 57663, 62580, 64070, 76884, 89698, 93870, 96105, 115326, 128140, 134547, 179396, 187740, 192210, 224245, 230652, 269094, 288315, 384420, 403641, 448490, 538188, 576630, 672735, 807282, 896980, 1153260, 1345470, 1614564, 2018205, 2690940, 4036410, 8072820]

約数ペア:

[(1, 8072820), (2, 4036410), (3, 2690940), (4, 2018205), (5, 1614564), (6, 1345470), (7, 1153260), (9, 896980), (10, 807282), (12, 672735), (14, 576630), (15, 538188), (18, 448490), (20, 403641), (21, 384420), (28, 288315), (30, 269094), (35, 230652), (36, 224245), (42, 192210), (43, 187740), (45, 179396), (60, 134547), (63, 128140), (70, 115326), (84, 96105), (86, 93870), (90, 89698), (105, 76884), (126, 64070), (129, 62580), (140, 57663), (149, 54180), (172, 46935), (180, 44849), (210, 38442), (215, 37548), (252, 32035), (258, 31290), (298, 27090), (301, 26820), (315, 25628), (387, 20860), (420, 19221), (430, 18774), (447, 18060), (516, 15645), (596, 13545), (602, 13410), (630, 12814), (645, 12516), (745, 10836), (774, 10430), (860, 9387), (894, 9030), (903, 8940), (1043, 7740), (1204, 6705), (1260, 6407), (1290, 6258), (1341, 6020), (1490, 5418), (1505, 5364), (1548, 5215), (1788, 4515), (1806, 4470), (1935, 4172), (2086, 3870), (2235, 3612), (2580, 3129), (2682, 3010), (2709, 2980)]