31479660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^2$

素因数の和:184

約数の個数: 108

約数和(自身を含む): 99144864

約数和(自身を除く): 67665204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 61, 90, 94, 122, 141, 180, 183, 188, 235, 244, 282, 305, 366, 423, 470, 549, 564, 610, 705, 732, 846, 915, 940, 1098, 1220, 1410, 1692, 1830, 2115, 2196, 2745, 2820, 2867, 3660, 3721, 4230, 5490, 5734, 7442, 8460, 8601, 10980, 11163, 11468, 14335, 14884, 17202, 18605, 22326, 25803, 28670, 33489, 34404, 37210, 43005, 44652, 51606, 55815, 57340, 66978, 74420, 86010, 103212, 111630, 129015, 133956, 167445, 172020, 174887, 223260, 258030, 334890, 349774, 516060, 524661, 669780, 699548, 874435, 1049322, 1573983, 1748870, 2098644, 2623305, 3147966, 3497740, 5246610, 6295932, 7869915, 10493220, 15739830, 31479660]

約数ペア:

[(1, 31479660), (2, 15739830), (3, 10493220), (4, 7869915), (5, 6295932), (6, 5246610), (9, 3497740), (10, 3147966), (12, 2623305), (15, 2098644), (18, 1748870), (20, 1573983), (30, 1049322), (36, 874435), (45, 699548), (47, 669780), (60, 524661), (61, 516060), (90, 349774), (94, 334890), (122, 258030), (141, 223260), (180, 174887), (183, 172020), (188, 167445), (235, 133956), (244, 129015), (282, 111630), (305, 103212), (366, 86010), (423, 74420), (470, 66978), (549, 57340), (564, 55815), (610, 51606), (705, 44652), (732, 43005), (846, 37210), (915, 34404), (940, 33489), (1098, 28670), (1220, 25803), (1410, 22326), (1692, 18605), (1830, 17202), (2115, 14884), (2196, 14335), (2745, 11468), (2820, 11163), (2867, 10980), (3660, 8601), (3721, 8460), (4230, 7442), (5490, 5734)]