4078980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:106

約数の個数: 144

約数和(自身を含む): 13837824

約数和(自身を除く): 9758844

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 31, 34, 36, 43, 45, 51, 60, 62, 68, 85, 86, 90, 93, 102, 124, 129, 153, 155, 170, 172, 180, 186, 204, 215, 255, 258, 279, 306, 310, 340, 372, 387, 430, 465, 510, 516, 527, 558, 612, 620, 645, 731, 765, 774, 860, 930, 1020, 1054, 1116, 1290, 1333, 1395, 1462, 1530, 1548, 1581, 1860, 1935, 2108, 2193, 2580, 2635, 2666, 2790, 2924, 3060, 3162, 3655, 3870, 3999, 4386, 4743, 5270, 5332, 5580, 6324, 6579, 6665, 7310, 7740, 7905, 7998, 8772, 9486, 10540, 10965, 11997, 13158, 13330, 14620, 15810, 15996, 18972, 19995, 21930, 22661, 23715, 23994, 26316, 26660, 31620, 32895, 39990, 43860, 45322, 47430, 47988, 59985, 65790, 67983, 79980, 90644, 94860, 113305, 119970, 131580, 135966, 203949, 226610, 239940, 271932, 339915, 407898, 453220, 679830, 815796, 1019745, 1359660, 2039490, 4078980]

約数ペア:

[(1, 4078980), (2, 2039490), (3, 1359660), (4, 1019745), (5, 815796), (6, 679830), (9, 453220), (10, 407898), (12, 339915), (15, 271932), (17, 239940), (18, 226610), (20, 203949), (30, 135966), (31, 131580), (34, 119970), (36, 113305), (43, 94860), (45, 90644), (51, 79980), (60, 67983), (62, 65790), (68, 59985), (85, 47988), (86, 47430), (90, 45322), (93, 43860), (102, 39990), (124, 32895), (129, 31620), (153, 26660), (155, 26316), (170, 23994), (172, 23715), (180, 22661), (186, 21930), (204, 19995), (215, 18972), (255, 15996), (258, 15810), (279, 14620), (306, 13330), (310, 13158), (340, 11997), (372, 10965), (387, 10540), (430, 9486), (465, 8772), (510, 7998), (516, 7905), (527, 7740), (558, 7310), (612, 6665), (620, 6579), (645, 6324), (731, 5580), (765, 5332), (774, 5270), (860, 4743), (930, 4386), (1020, 3999), (1054, 3870), (1116, 3655), (1290, 3162), (1333, 3060), (1395, 2924), (1462, 2790), (1530, 2666), (1548, 2635), (1581, 2580), (1860, 2193), (1935, 2108)]