1330487440

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{19543}}^1$

素因数の和:19616

約数の個数: 80

約数和(自身を含む): 3315287808

約数和(自身を除く): 1984800368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 37, 40, 46, 74, 80, 92, 115, 148, 184, 185, 230, 296, 368, 370, 460, 592, 740, 851, 920, 1480, 1702, 1840, 2960, 3404, 4255, 6808, 8510, 13616, 17020, 19543, 34040, 39086, 68080, 78172, 97715, 156344, 195430, 312688, 390860, 449489, 723091, 781720, 898978, 1446182, 1563440, 1797956, 2247445, 2892364, 3595912, 3615455, 4494890, 5784728, 7191824, 7230910, 8989780, 11569456, 14461820, 16631093, 17979560, 28923640, 33262186, 35959120, 57847280, 66524372, 83155465, 133048744, 166310930, 266097488, 332621860, 665243720, 1330487440]

約数ペア:

[(1, 1330487440), (2, 665243720), (4, 332621860), (5, 266097488), (8, 166310930), (10, 133048744), (16, 83155465), (20, 66524372), (23, 57847280), (37, 35959120), (40, 33262186), (46, 28923640), (74, 17979560), (80, 16631093), (92, 14461820), (115, 11569456), (148, 8989780), (184, 7230910), (185, 7191824), (230, 5784728), (296, 4494890), (368, 3615455), (370, 3595912), (460, 2892364), (592, 2247445), (740, 1797956), (851, 1563440), (920, 1446182), (1480, 898978), (1702, 781720), (1840, 723091), (2960, 449489), (3404, 390860), (4255, 312688), (6808, 195430), (8510, 156344), (13616, 97715), (17020, 78172), (19543, 68080), (34040, 39086)]