27973260

素因数分解:

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

素因数の和:320

約数の個数: 108

約数和(自身を含む): 97629168

約数和(自身を除く): 69655908

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 149, 180, 210, 252, 298, 315, 420, 447, 596, 630, 745, 894, 1043, 1260, 1341, 1490, 1788, 2086, 2235, 2682, 2980, 3129, 4172, 4470, 5215, 5364, 6258, 6705, 8940, 9387, 10430, 12516, 13410, 15645, 18774, 20860, 22201, 26820, 31290, 37548, 44402, 46935, 62580, 66603, 88804, 93870, 111005, 133206, 155407, 187740, 199809, 222010, 266412, 310814, 333015, 399618, 444020, 466221, 621628, 666030, 777035, 799236, 932442, 999045, 1332060, 1398663, 1554070, 1864884, 1998090, 2331105, 2797326, 3108140, 3996180, 4662210, 5594652, 6993315, 9324420, 13986630, 27973260]

約数ペア:

[(1, 27973260), (2, 13986630), (3, 9324420), (4, 6993315), (5, 5594652), (6, 4662210), (7, 3996180), (9, 3108140), (10, 2797326), (12, 2331105), (14, 1998090), (15, 1864884), (18, 1554070), (20, 1398663), (21, 1332060), (28, 999045), (30, 932442), (35, 799236), (36, 777035), (42, 666030), (45, 621628), (60, 466221), (63, 444020), (70, 399618), (84, 333015), (90, 310814), (105, 266412), (126, 222010), (140, 199809), (149, 187740), (180, 155407), (210, 133206), (252, 111005), (298, 93870), (315, 88804), (420, 66603), (447, 62580), (596, 46935), (630, 44402), (745, 37548), (894, 31290), (1043, 26820), (1260, 22201), (1341, 20860), (1490, 18774), (1788, 15645), (2086, 13410), (2235, 12516), (2682, 10430), (2980, 9387), (3129, 8940), (4172, 6705), (4470, 6258), (5215, 5364)]