15708280520

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{167}}^1\times {\mathrm{21977}}^1$

素因数の和:22262

約数の個数: 64

約数和(自身を含む): 35889194880

約数和(自身を除く): 20180914360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 167, 214, 334, 428, 535, 668, 835, 856, 1070, 1336, 1670, 2140, 3340, 4280, 6680, 17869, 21977, 35738, 43954, 71476, 87908, 89345, 109885, 142952, 175816, 178690, 219770, 357380, 439540, 714760, 879080, 2351539, 3670159, 4703078, 7340318, 9406156, 11757695, 14680636, 18350795, 18812312, 23515390, 29361272, 36701590, 47030780, 73403180, 94061560, 146806360, 392707013, 785414026, 1570828052, 1963535065, 3141656104, 3927070130, 7854140260, 15708280520]

約数ペア:

[(1, 15708280520), (2, 7854140260), (4, 3927070130), (5, 3141656104), (8, 1963535065), (10, 1570828052), (20, 785414026), (40, 392707013), (107, 146806360), (167, 94061560), (214, 73403180), (334, 47030780), (428, 36701590), (535, 29361272), (668, 23515390), (835, 18812312), (856, 18350795), (1070, 14680636), (1336, 11757695), (1670, 9406156), (2140, 7340318), (3340, 4703078), (4280, 3670159), (6680, 2351539), (17869, 879080), (21977, 714760), (35738, 439540), (43954, 357380), (71476, 219770), (87908, 178690), (89345, 175816), (109885, 142952)]