128439240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{56333}}^1$

素因数の和:56366

約数の個数: 64

約数和(自身を含む): 405604800

約数和(自身を除く): 277165560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 56333, 112666, 168999, 225332, 281665, 337998, 450664, 563330, 675996, 844995, 1070327, 1126660, 1351992, 1689990, 2140654, 2253320, 3210981, 3379980, 4281308, 5351635, 6421962, 6759960, 8562616, 10703270, 12843924, 16054905, 21406540, 25687848, 32109810, 42813080, 64219620, 128439240]

約数ペア:

[(1, 128439240), (2, 64219620), (3, 42813080), (4, 32109810), (5, 25687848), (6, 21406540), (8, 16054905), (10, 12843924), (12, 10703270), (15, 8562616), (19, 6759960), (20, 6421962), (24, 5351635), (30, 4281308), (38, 3379980), (40, 3210981), (57, 2253320), (60, 2140654), (76, 1689990), (95, 1351992), (114, 1126660), (120, 1070327), (152, 844995), (190, 675996), (228, 563330), (285, 450664), (380, 337998), (456, 281665), (570, 225332), (760, 168999), (1140, 112666), (2280, 56333)]