2227980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{523}}^1$

素因数の和:606

約数の個数: 48

約数和(自身を含む): 6338304

約数和(自身を除く): 4110324

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 523, 710, 852, 1046, 1065, 1420, 1569, 2092, 2130, 2615, 3138, 4260, 5230, 6276, 7845, 10460, 15690, 31380, 37133, 74266, 111399, 148532, 185665, 222798, 371330, 445596, 556995, 742660, 1113990, 2227980]

約数ペア:

[(1, 2227980), (2, 1113990), (3, 742660), (4, 556995), (5, 445596), (6, 371330), (10, 222798), (12, 185665), (15, 148532), (20, 111399), (30, 74266), (60, 37133), (71, 31380), (142, 15690), (213, 10460), (284, 7845), (355, 6276), (426, 5230), (523, 4260), (710, 3138), (852, 2615), (1046, 2130), (1065, 2092), (1420, 1569)]