15287640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1$

素因数の和:257

約数の個数: 128

約数和(自身を含む): 49766400

約数和(自身を除く): 34478760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 29, 30, 40, 46, 58, 60, 69, 87, 92, 115, 116, 120, 138, 145, 174, 184, 191, 230, 232, 276, 290, 345, 348, 382, 435, 460, 552, 573, 580, 667, 690, 696, 764, 870, 920, 955, 1146, 1160, 1334, 1380, 1528, 1740, 1910, 2001, 2292, 2668, 2760, 2865, 3335, 3480, 3820, 4002, 4393, 4584, 5336, 5539, 5730, 6670, 7640, 8004, 8786, 10005, 11078, 11460, 13179, 13340, 16008, 16617, 17572, 20010, 21965, 22156, 22920, 26358, 26680, 27695, 33234, 35144, 40020, 43930, 44312, 52716, 55390, 65895, 66468, 80040, 83085, 87860, 105432, 110780, 127397, 131790, 132936, 166170, 175720, 221560, 254794, 263580, 332340, 382191, 509588, 527160, 636985, 664680, 764382, 1019176, 1273970, 1528764, 1910955, 2547940, 3057528, 3821910, 5095880, 7643820, 15287640]

約数ペア:

[(1, 15287640), (2, 7643820), (3, 5095880), (4, 3821910), (5, 3057528), (6, 2547940), (8, 1910955), (10, 1528764), (12, 1273970), (15, 1019176), (20, 764382), (23, 664680), (24, 636985), (29, 527160), (30, 509588), (40, 382191), (46, 332340), (58, 263580), (60, 254794), (69, 221560), (87, 175720), (92, 166170), (115, 132936), (116, 131790), (120, 127397), (138, 110780), (145, 105432), (174, 87860), (184, 83085), (191, 80040), (230, 66468), (232, 65895), (276, 55390), (290, 52716), (345, 44312), (348, 43930), (382, 40020), (435, 35144), (460, 33234), (552, 27695), (573, 26680), (580, 26358), (667, 22920), (690, 22156), (696, 21965), (764, 20010), (870, 17572), (920, 16617), (955, 16008), (1146, 13340), (1160, 13179), (1334, 11460), (1380, 11078), (1528, 10005), (1740, 8786), (1910, 8004), (2001, 7640), (2292, 6670), (2668, 5730), (2760, 5539), (2865, 5336), (3335, 4584), (3480, 4393), (3820, 4002)]