15245320

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1$

素因数の和:334

約数の個数: 64

約数和(自身を含む): 36443520

約数和(自身を除く): 21198200

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 73, 92, 115, 146, 184, 227, 230, 292, 365, 454, 460, 584, 730, 908, 920, 1135, 1460, 1679, 1816, 2270, 2920, 3358, 4540, 5221, 6716, 8395, 9080, 10442, 13432, 16571, 16790, 20884, 26105, 33142, 33580, 41768, 52210, 66284, 67160, 82855, 104420, 132568, 165710, 208840, 331420, 381133, 662840, 762266, 1524532, 1905665, 3049064, 3811330, 7622660, 15245320]

約数ペア:

[(1, 15245320), (2, 7622660), (4, 3811330), (5, 3049064), (8, 1905665), (10, 1524532), (20, 762266), (23, 662840), (40, 381133), (46, 331420), (73, 208840), (92, 165710), (115, 132568), (146, 104420), (184, 82855), (227, 67160), (230, 66284), (292, 52210), (365, 41768), (454, 33580), (460, 33142), (584, 26105), (730, 20884), (908, 16790), (920, 16571), (1135, 13432), (1460, 10442), (1679, 9080), (1816, 8395), (2270, 6716), (2920, 5221), (3358, 4540)]