18320120

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{719}}^1$

素因数の和:757

約数の個数: 96

約数和(自身を含む): 51710400

約数和(自身を除く): 33390280

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 182, 196, 245, 260, 280, 364, 392, 455, 490, 520, 637, 719, 728, 910, 980, 1274, 1438, 1820, 1960, 2548, 2876, 3185, 3595, 3640, 5033, 5096, 5752, 6370, 7190, 9347, 10066, 12740, 14380, 18694, 20132, 25165, 25480, 28760, 35231, 37388, 40264, 46735, 50330, 65429, 70462, 74776, 93470, 100660, 130858, 140924, 176155, 186940, 201320, 261716, 281848, 327145, 352310, 373880, 458003, 523432, 654290, 704620, 916006, 1308580, 1409240, 1832012, 2290015, 2617160, 3664024, 4580030, 9160060, 18320120]

約数ペア:

[(1, 18320120), (2, 9160060), (4, 4580030), (5, 3664024), (7, 2617160), (8, 2290015), (10, 1832012), (13, 1409240), (14, 1308580), (20, 916006), (26, 704620), (28, 654290), (35, 523432), (40, 458003), (49, 373880), (52, 352310), (56, 327145), (65, 281848), (70, 261716), (91, 201320), (98, 186940), (104, 176155), (130, 140924), (140, 130858), (182, 100660), (196, 93470), (245, 74776), (260, 70462), (280, 65429), (364, 50330), (392, 46735), (455, 40264), (490, 37388), (520, 35231), (637, 28760), (719, 25480), (728, 25165), (910, 20132), (980, 18694), (1274, 14380), (1438, 12740), (1820, 10066), (1960, 9347), (2548, 7190), (2876, 6370), (3185, 5752), (3595, 5096), (3640, 5033)]