187740

素因数分解:

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

素因数の和:171

約数の個数: 72

約数和(自身を含む): 655200

約数和(自身を除く): 467460

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, 26820, 31290, 37548, 46935, 62580, 93870, 187740]

約数ペア:

[(1, 187740), (2, 93870), (3, 62580), (4, 46935), (5, 37548), (6, 31290), (7, 26820), (9, 20860), (10, 18774), (12, 15645), (14, 13410), (15, 12516), (18, 10430), (20, 9387), (21, 8940), (28, 6705), (30, 6258), (35, 5364), (36, 5215), (42, 4470), (45, 4172), (60, 3129), (63, 2980), (70, 2682), (84, 2235), (90, 2086), (105, 1788), (126, 1490), (140, 1341), (149, 1260), (180, 1043), (210, 894), (252, 745), (298, 630), (315, 596), (420, 447)]