620470980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{24799}}^1$

素因数の和:24953

約数の個数: 72

約数和(自身を含む): 1895712000

約数和(自身を除く): 1275241020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1251, 1390, 1668, 2085, 2502, 2780, 4170, 5004, 6255, 8340, 12510, 24799, 25020, 49598, 74397, 99196, 123995, 148794, 223191, 247990, 297588, 371985, 446382, 495980, 743970, 892764, 1115955, 1487940, 2231910, 3447061, 4463820, 6894122, 10341183, 13788244, 17235305, 20682366, 31023549, 34470610, 41364732, 51705915, 62047098, 68941220, 103411830, 124094196, 155117745, 206823660, 310235490, 620470980]

約数ペア:

[(1, 620470980), (2, 310235490), (3, 206823660), (4, 155117745), (5, 124094196), (6, 103411830), (9, 68941220), (10, 62047098), (12, 51705915), (15, 41364732), (18, 34470610), (20, 31023549), (30, 20682366), (36, 17235305), (45, 13788244), (60, 10341183), (90, 6894122), (139, 4463820), (180, 3447061), (278, 2231910), (417, 1487940), (556, 1115955), (695, 892764), (834, 743970), (1251, 495980), (1390, 446382), (1668, 371985), (2085, 297588), (2502, 247990), (2780, 223191), (4170, 148794), (5004, 123995), (6255, 99196), (8340, 74397), (12510, 49598), (24799, 25020)]