40069980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:256

約数の個数: 144

約数和(自身を含む): 129153024

約数和(自身を除く): 89083044

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 43, 45, 60, 62, 86, 90, 93, 124, 129, 155, 167, 172, 180, 186, 215, 258, 279, 310, 334, 372, 387, 430, 465, 501, 516, 558, 620, 645, 668, 774, 835, 860, 930, 1002, 1116, 1290, 1333, 1395, 1503, 1548, 1670, 1860, 1935, 2004, 2505, 2580, 2666, 2790, 3006, 3340, 3870, 3999, 5010, 5177, 5332, 5580, 6012, 6665, 7181, 7515, 7740, 7998, 10020, 10354, 11997, 13330, 14362, 15030, 15531, 15996, 19995, 20708, 21543, 23994, 25885, 26660, 28724, 30060, 31062, 35905, 39990, 43086, 46593, 47988, 51770, 59985, 62124, 64629, 71810, 77655, 79980, 86172, 93186, 103540, 107715, 119970, 129258, 143620, 155310, 186372, 215430, 222611, 232965, 239940, 258516, 310620, 323145, 430860, 445222, 465930, 646290, 667833, 890444, 931860, 1113055, 1292580, 1335666, 2003499, 2226110, 2671332, 3339165, 4006998, 4452220, 6678330, 8013996, 10017495, 13356660, 20034990, 40069980]

約数ペア:

[(1, 40069980), (2, 20034990), (3, 13356660), (4, 10017495), (5, 8013996), (6, 6678330), (9, 4452220), (10, 4006998), (12, 3339165), (15, 2671332), (18, 2226110), (20, 2003499), (30, 1335666), (31, 1292580), (36, 1113055), (43, 931860), (45, 890444), (60, 667833), (62, 646290), (86, 465930), (90, 445222), (93, 430860), (124, 323145), (129, 310620), (155, 258516), (167, 239940), (172, 232965), (180, 222611), (186, 215430), (215, 186372), (258, 155310), (279, 143620), (310, 129258), (334, 119970), (372, 107715), (387, 103540), (430, 93186), (465, 86172), (501, 79980), (516, 77655), (558, 71810), (620, 64629), (645, 62124), (668, 59985), (774, 51770), (835, 47988), (860, 46593), (930, 43086), (1002, 39990), (1116, 35905), (1290, 31062), (1333, 30060), (1395, 28724), (1503, 26660), (1548, 25885), (1670, 23994), (1860, 21543), (1935, 20708), (2004, 19995), (2505, 15996), (2580, 15531), (2666, 15030), (2790, 14362), (3006, 13330), (3340, 11997), (3870, 10354), (3999, 10020), (5010, 7998), (5177, 7740), (5332, 7515), (5580, 7181), (6012, 6665)]