81912390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{2393}}^1$

素因数の和:2573

約数の個数: 64

約数和(自身を含む): 226146816

約数和(自身を除く): 144234426

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 163, 210, 326, 489, 815, 978, 1141, 1630, 2282, 2393, 2445, 3423, 4786, 4890, 5705, 6846, 7179, 11410, 11965, 14358, 16751, 17115, 23930, 33502, 34230, 35895, 50253, 71790, 83755, 100506, 167510, 251265, 390059, 502530, 780118, 1170177, 1950295, 2340354, 2730413, 3900590, 5460826, 5850885, 8191239, 11701770, 13652065, 16382478, 27304130, 40956195, 81912390]

約数ペア:

[(1, 81912390), (2, 40956195), (3, 27304130), (5, 16382478), (6, 13652065), (7, 11701770), (10, 8191239), (14, 5850885), (15, 5460826), (21, 3900590), (30, 2730413), (35, 2340354), (42, 1950295), (70, 1170177), (105, 780118), (163, 502530), (210, 390059), (326, 251265), (489, 167510), (815, 100506), (978, 83755), (1141, 71790), (1630, 50253), (2282, 35895), (2393, 34230), (2445, 33502), (3423, 23930), (4786, 17115), (4890, 16751), (5705, 14358), (6846, 11965), (7179, 11410)]