40070280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2549}}^1$

素因数の和:2694

約数の個数: 64

約数和(自身を含む): 121176000

約数和(自身を除く): 81105720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 131, 262, 393, 524, 655, 786, 1048, 1310, 1572, 1965, 2549, 2620, 3144, 3930, 5098, 5240, 7647, 7860, 10196, 12745, 15294, 15720, 20392, 25490, 30588, 38235, 50980, 61176, 76470, 101960, 152940, 305880, 333919, 667838, 1001757, 1335676, 1669595, 2003514, 2671352, 3339190, 4007028, 5008785, 6678380, 8014056, 10017570, 13356760, 20035140, 40070280]

約数ペア:

[(1, 40070280), (2, 20035140), (3, 13356760), (4, 10017570), (5, 8014056), (6, 6678380), (8, 5008785), (10, 4007028), (12, 3339190), (15, 2671352), (20, 2003514), (24, 1669595), (30, 1335676), (40, 1001757), (60, 667838), (120, 333919), (131, 305880), (262, 152940), (393, 101960), (524, 76470), (655, 61176), (786, 50980), (1048, 38235), (1310, 30588), (1572, 25490), (1965, 20392), (2549, 15720), (2620, 15294), (3144, 12745), (3930, 10196), (5098, 7860), (5240, 7647)]