138938520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{23629}}^1$

素因数の和:23657

約数の個数: 96

約数和(自身を含む): 484887600

約数和(自身を除く): 345949080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 5880, 23629, 47258, 70887, 94516, 118145, 141774, 165403, 189032, 236290, 283548, 330806, 354435, 472580, 496209, 567096, 661612, 708870, 827015, 945160, 992418, 1157821, 1323224, 1417740, 1654030, 1984836, 2315642, 2481045, 2835480, 3308060, 3473463, 3969672, 4631284, 4962090, 5789105, 6616120, 6946926, 9262568, 9924180, 11578210, 13893852, 17367315, 19848360, 23156420, 27787704, 34734630, 46312840, 69469260, 138938520]

約数ペア:

[(1, 138938520), (2, 69469260), (3, 46312840), (4, 34734630), (5, 27787704), (6, 23156420), (7, 19848360), (8, 17367315), (10, 13893852), (12, 11578210), (14, 9924180), (15, 9262568), (20, 6946926), (21, 6616120), (24, 5789105), (28, 4962090), (30, 4631284), (35, 3969672), (40, 3473463), (42, 3308060), (49, 2835480), (56, 2481045), (60, 2315642), (70, 1984836), (84, 1654030), (98, 1417740), (105, 1323224), (120, 1157821), (140, 992418), (147, 945160), (168, 827015), (196, 708870), (210, 661612), (245, 567096), (280, 496209), (294, 472580), (392, 354435), (420, 330806), (490, 283548), (588, 236290), (735, 189032), (840, 165403), (980, 141774), (1176, 118145), (1470, 94516), (1960, 70887), (2940, 47258), (5880, 23629)]