28917480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{607}}^1$

素因数の和:1018

約数の個数: 64

約数和(自身を含む): 87114240

約数和(自身を除く): 58196760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 397, 607, 794, 1191, 1214, 1588, 1821, 1985, 2382, 2428, 3035, 3176, 3642, 3970, 4764, 4856, 5955, 6070, 7284, 7940, 9105, 9528, 11910, 12140, 14568, 15880, 18210, 23820, 24280, 36420, 47640, 72840, 240979, 481958, 722937, 963916, 1204895, 1445874, 1927832, 2409790, 2891748, 3614685, 4819580, 5783496, 7229370, 9639160, 14458740, 28917480]

約数ペア:

[(1, 28917480), (2, 14458740), (3, 9639160), (4, 7229370), (5, 5783496), (6, 4819580), (8, 3614685), (10, 2891748), (12, 2409790), (15, 1927832), (20, 1445874), (24, 1204895), (30, 963916), (40, 722937), (60, 481958), (120, 240979), (397, 72840), (607, 47640), (794, 36420), (1191, 24280), (1214, 23820), (1588, 18210), (1821, 15880), (1985, 14568), (2382, 12140), (2428, 11910), (3035, 9528), (3176, 9105), (3642, 7940), (3970, 7284), (4764, 6070), (4856, 5955)]