7978860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2333}}^1$

素因数の和:2367

約数の個数: 72

約数和(自身を含む): 25487280

約数和(自身を除く): 17508420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 2333, 3420, 4666, 6999, 9332, 11665, 13998, 20997, 23330, 27996, 34995, 41994, 44327, 46660, 69990, 83988, 88654, 104985, 132981, 139980, 177308, 209970, 221635, 265962, 398943, 419940, 443270, 531924, 664905, 797886, 886540, 1329810, 1595772, 1994715, 2659620, 3989430, 7978860]

約数ペア:

[(1, 7978860), (2, 3989430), (3, 2659620), (4, 1994715), (5, 1595772), (6, 1329810), (9, 886540), (10, 797886), (12, 664905), (15, 531924), (18, 443270), (19, 419940), (20, 398943), (30, 265962), (36, 221635), (38, 209970), (45, 177308), (57, 139980), (60, 132981), (76, 104985), (90, 88654), (95, 83988), (114, 69990), (171, 46660), (180, 44327), (190, 41994), (228, 34995), (285, 27996), (342, 23330), (380, 20997), (570, 13998), (684, 11665), (855, 9332), (1140, 6999), (1710, 4666), (2333, 3420)]