47980980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1789}}^1$

素因数の和:1953

約数の個数: 72

約数和(自身を含む): 146601000

約数和(自身を除く): 98620020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 149, 180, 298, 447, 596, 745, 894, 1341, 1490, 1788, 1789, 2235, 2682, 2980, 3578, 4470, 5364, 5367, 6705, 7156, 8940, 8945, 10734, 13410, 16101, 17890, 21468, 26820, 26835, 32202, 35780, 53670, 64404, 80505, 107340, 161010, 266561, 322020, 533122, 799683, 1066244, 1332805, 1599366, 2399049, 2665610, 3198732, 3998415, 4798098, 5331220, 7996830, 9596196, 11995245, 15993660, 23990490, 47980980]

約数ペア:

[(1, 47980980), (2, 23990490), (3, 15993660), (4, 11995245), (5, 9596196), (6, 7996830), (9, 5331220), (10, 4798098), (12, 3998415), (15, 3198732), (18, 2665610), (20, 2399049), (30, 1599366), (36, 1332805), (45, 1066244), (60, 799683), (90, 533122), (149, 322020), (180, 266561), (298, 161010), (447, 107340), (596, 80505), (745, 64404), (894, 53670), (1341, 35780), (1490, 32202), (1788, 26835), (1789, 26820), (2235, 21468), (2682, 17890), (2980, 16101), (3578, 13410), (4470, 10734), (5364, 8945), (5367, 8940), (6705, 7156)]