128974260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{69341}}^1$

素因数の和:69384

約数の個数: 48

約数和(自身を含む): 372782592

約数和(自身を除く): 243808332

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 69341, 138682, 208023, 277364, 346705, 416046, 693410, 832092, 1040115, 1386820, 2080230, 2149571, 4160460, 4299142, 6448713, 8598284, 10747855, 12897426, 21495710, 25794852, 32243565, 42991420, 64487130, 128974260]

約数ペア:

[(1, 128974260), (2, 64487130), (3, 42991420), (4, 32243565), (5, 25794852), (6, 21495710), (10, 12897426), (12, 10747855), (15, 8598284), (20, 6448713), (30, 4299142), (31, 4160460), (60, 2149571), (62, 2080230), (93, 1386820), (124, 1040115), (155, 832092), (186, 693410), (310, 416046), (372, 346705), (465, 277364), (620, 208023), (930, 138682), (1860, 69341)]