180876640

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{23071}}^1$

素因数の和:23100

約数の個数: 72

約数和(自身を含む): 497109312

約数和(自身を除く): 316232672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 23071, 46142, 92284, 115355, 161497, 184568, 230710, 322994, 369136, 461420, 645988, 738272, 807485, 922840, 1130479, 1291976, 1614970, 1845680, 2260958, 2583952, 3229940, 3691360, 4521916, 5167904, 5652395, 6459880, 9043832, 11304790, 12919760, 18087664, 22609580, 25839520, 36175328, 45219160, 90438320, 180876640]

約数ペア:

[(1, 180876640), (2, 90438320), (4, 45219160), (5, 36175328), (7, 25839520), (8, 22609580), (10, 18087664), (14, 12919760), (16, 11304790), (20, 9043832), (28, 6459880), (32, 5652395), (35, 5167904), (40, 4521916), (49, 3691360), (56, 3229940), (70, 2583952), (80, 2260958), (98, 1845680), (112, 1614970), (140, 1291976), (160, 1130479), (196, 922840), (224, 807485), (245, 738272), (280, 645988), (392, 461420), (490, 369136), (560, 322994), (784, 230710), (980, 184568), (1120, 161497), (1568, 115355), (1960, 92284), (3920, 46142), (7840, 23071)]