9977940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{7919}}^1$

素因数の和:7941

約数の個数: 72

約数和(自身を含む): 34594560

約数和(自身を除く): 24616620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 7919, 15838, 23757, 31676, 39595, 47514, 55433, 71271, 79190, 95028, 110866, 118785, 142542, 158380, 166299, 221732, 237570, 277165, 285084, 332598, 356355, 475140, 498897, 554330, 665196, 712710, 831495, 997794, 1108660, 1425420, 1662990, 1995588, 2494485, 3325980, 4988970, 9977940]

約数ペア:

[(1, 9977940), (2, 4988970), (3, 3325980), (4, 2494485), (5, 1995588), (6, 1662990), (7, 1425420), (9, 1108660), (10, 997794), (12, 831495), (14, 712710), (15, 665196), (18, 554330), (20, 498897), (21, 475140), (28, 356355), (30, 332598), (35, 285084), (36, 277165), (42, 237570), (45, 221732), (60, 166299), (63, 158380), (70, 142542), (84, 118785), (90, 110866), (105, 95028), (126, 79190), (140, 71271), (180, 55433), (210, 47514), (252, 39595), (315, 31676), (420, 23757), (630, 15838), (1260, 7919)]