647767440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{2137}}^1$

素因数の和:2577

約数の個数: 120

約数和(自身を含む): 2181606648

約数和(自身を除く): 1533839208

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 421, 720, 842, 1263, 1684, 2105, 2137, 2526, 3368, 3789, 4210, 4274, 5052, 6315, 6411, 6736, 7578, 8420, 8548, 10104, 10685, 12630, 12822, 15156, 16840, 17096, 18945, 19233, 20208, 21370, 25260, 25644, 30312, 32055, 33680, 34192, 37890, 38466, 42740, 50520, 51288, 60624, 64110, 75780, 76932, 85480, 96165, 101040, 102576, 128220, 151560, 153864, 170960, 192330, 256440, 303120, 307728, 384660, 512880, 769320, 899677, 1538640, 1799354, 2699031, 3598708, 4498385, 5398062, 7197416, 8097093, 8996770, 10796124, 13495155, 14394832, 16194186, 17993540, 21592248, 26990310, 32388372, 35987080, 40485465, 43184496, 53980620, 64776744, 71974160, 80970930, 107961240, 129553488, 161941860, 215922480, 323883720, 647767440]

約数ペア:

[(1, 647767440), (2, 323883720), (3, 215922480), (4, 161941860), (5, 129553488), (6, 107961240), (8, 80970930), (9, 71974160), (10, 64776744), (12, 53980620), (15, 43184496), (16, 40485465), (18, 35987080), (20, 32388372), (24, 26990310), (30, 21592248), (36, 17993540), (40, 16194186), (45, 14394832), (48, 13495155), (60, 10796124), (72, 8996770), (80, 8097093), (90, 7197416), (120, 5398062), (144, 4498385), (180, 3598708), (240, 2699031), (360, 1799354), (421, 1538640), (720, 899677), (842, 769320), (1263, 512880), (1684, 384660), (2105, 307728), (2137, 303120), (2526, 256440), (3368, 192330), (3789, 170960), (4210, 153864), (4274, 151560), (5052, 128220), (6315, 102576), (6411, 101040), (6736, 96165), (7578, 85480), (8420, 76932), (8548, 75780), (10104, 64110), (10685, 60624), (12630, 51288), (12822, 50520), (15156, 42740), (16840, 38466), (17096, 37890), (18945, 34192), (19233, 33680), (20208, 32055), (21370, 30312), (25260, 25644)]