12678879120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{205559}}^1$

素因数の和:205832

約数の個数: 80

約数和(自身を含む): 39457653120

約数和(自身を除く): 26778774000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 257, 514, 771, 1028, 1285, 1542, 2056, 2570, 3084, 3855, 4112, 5140, 6168, 7710, 10280, 12336, 15420, 20560, 30840, 61680, 205559, 411118, 616677, 822236, 1027795, 1233354, 1644472, 2055590, 2466708, 3083385, 3288944, 4111180, 4933416, 6166770, 8222360, 9866832, 12333540, 16444720, 24667080, 49334160, 52828663, 105657326, 158485989, 211314652, 264143315, 316971978, 422629304, 528286630, 633943956, 792429945, 845258608, 1056573260, 1267887912, 1584859890, 2113146520, 2535775824, 3169719780, 4226293040, 6339439560, 12678879120]

約数ペア:

[(1, 12678879120), (2, 6339439560), (3, 4226293040), (4, 3169719780), (5, 2535775824), (6, 2113146520), (8, 1584859890), (10, 1267887912), (12, 1056573260), (15, 845258608), (16, 792429945), (20, 633943956), (24, 528286630), (30, 422629304), (40, 316971978), (48, 264143315), (60, 211314652), (80, 158485989), (120, 105657326), (240, 52828663), (257, 49334160), (514, 24667080), (771, 16444720), (1028, 12333540), (1285, 9866832), (1542, 8222360), (2056, 6166770), (2570, 4933416), (3084, 4111180), (3855, 3288944), (4112, 3083385), (5140, 2466708), (6168, 2055590), (7710, 1644472), (10280, 1233354), (12336, 1027795), (15420, 822236), (20560, 616677), (30840, 411118), (61680, 205559)]