16420590

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{997}}^1$

素因数の和:1074

約数の個数: 64

約数和(自身を含む): 44550720

約数和(自身を除く): 28130130

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 61, 90, 122, 135, 183, 270, 305, 366, 549, 610, 915, 997, 1098, 1647, 1830, 1994, 2745, 2991, 3294, 4985, 5490, 5982, 8235, 8973, 9970, 14955, 16470, 17946, 26919, 29910, 44865, 53838, 60817, 89730, 121634, 134595, 182451, 269190, 304085, 364902, 547353, 608170, 912255, 1094706, 1642059, 1824510, 2736765, 3284118, 5473530, 8210295, 16420590]

約数ペア:

[(1, 16420590), (2, 8210295), (3, 5473530), (5, 3284118), (6, 2736765), (9, 1824510), (10, 1642059), (15, 1094706), (18, 912255), (27, 608170), (30, 547353), (45, 364902), (54, 304085), (61, 269190), (90, 182451), (122, 134595), (135, 121634), (183, 89730), (270, 60817), (305, 53838), (366, 44865), (549, 29910), (610, 26919), (915, 17946), (997, 16470), (1098, 14955), (1647, 9970), (1830, 8973), (1994, 8235), (2745, 5982), (2991, 5490), (3294, 4985)]