20630640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1283}}^1$

素因数の和:1366

約数の個数: 80

約数和(自身を含む): 64960128

約数和(自身を除く): 44329488

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 67, 80, 120, 134, 201, 240, 268, 335, 402, 536, 670, 804, 1005, 1072, 1283, 1340, 1608, 2010, 2566, 2680, 3216, 3849, 4020, 5132, 5360, 6415, 7698, 8040, 10264, 12830, 15396, 16080, 19245, 20528, 25660, 30792, 38490, 51320, 61584, 76980, 85961, 102640, 153960, 171922, 257883, 307920, 343844, 429805, 515766, 687688, 859610, 1031532, 1289415, 1375376, 1719220, 2063064, 2578830, 3438440, 4126128, 5157660, 6876880, 10315320, 20630640]

約数ペア:

[(1, 20630640), (2, 10315320), (3, 6876880), (4, 5157660), (5, 4126128), (6, 3438440), (8, 2578830), (10, 2063064), (12, 1719220), (15, 1375376), (16, 1289415), (20, 1031532), (24, 859610), (30, 687688), (40, 515766), (48, 429805), (60, 343844), (67, 307920), (80, 257883), (120, 171922), (134, 153960), (201, 102640), (240, 85961), (268, 76980), (335, 61584), (402, 51320), (536, 38490), (670, 30792), (804, 25660), (1005, 20528), (1072, 19245), (1283, 16080), (1340, 15396), (1608, 12830), (2010, 10264), (2566, 8040), (2680, 7698), (3216, 6415), (3849, 5360), (4020, 5132)]