38377980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2111}}^1$

素因数の和:2227

約数の個数: 72

約数和(自身を含む): 117621504

約数和(自身を除く): 79243524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 101, 180, 202, 303, 404, 505, 606, 909, 1010, 1212, 1515, 1818, 2020, 2111, 3030, 3636, 4222, 4545, 6060, 6333, 8444, 9090, 10555, 12666, 18180, 18999, 21110, 25332, 31665, 37998, 42220, 63330, 75996, 94995, 126660, 189990, 213211, 379980, 426422, 639633, 852844, 1066055, 1279266, 1918899, 2132110, 2558532, 3198165, 3837798, 4264220, 6396330, 7675596, 9594495, 12792660, 19188990, 38377980]

約数ペア:

[(1, 38377980), (2, 19188990), (3, 12792660), (4, 9594495), (5, 7675596), (6, 6396330), (9, 4264220), (10, 3837798), (12, 3198165), (15, 2558532), (18, 2132110), (20, 1918899), (30, 1279266), (36, 1066055), (45, 852844), (60, 639633), (90, 426422), (101, 379980), (180, 213211), (202, 189990), (303, 126660), (404, 94995), (505, 75996), (606, 63330), (909, 42220), (1010, 37998), (1212, 31665), (1515, 25332), (1818, 21110), (2020, 18999), (2111, 18180), (3030, 12666), (3636, 10555), (4222, 9090), (4545, 8444), (6060, 6333)]