15019970

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{151}}^1$

素因数の和:208

約数の個数: 64

約数和(自身を含む): 32832000

約数和(自身を除く): 17812030

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 49, 58, 70, 98, 145, 151, 203, 245, 290, 302, 343, 406, 490, 686, 755, 1015, 1057, 1421, 1510, 1715, 2030, 2114, 2842, 3430, 4379, 5285, 7105, 7399, 8758, 9947, 10570, 14210, 14798, 19894, 21895, 30653, 36995, 43790, 49735, 51793, 61306, 73990, 99470, 103586, 153265, 214571, 258965, 306530, 429142, 517930, 1072855, 1501997, 2145710, 3003994, 7509985, 15019970]

約数ペア:

[(1, 15019970), (2, 7509985), (5, 3003994), (7, 2145710), (10, 1501997), (14, 1072855), (29, 517930), (35, 429142), (49, 306530), (58, 258965), (70, 214571), (98, 153265), (145, 103586), (151, 99470), (203, 73990), (245, 61306), (290, 51793), (302, 49735), (343, 43790), (406, 36995), (490, 30653), (686, 21895), (755, 19894), (1015, 14798), (1057, 14210), (1421, 10570), (1510, 9947), (1715, 8758), (2030, 7399), (2114, 7105), (2842, 5285), (3430, 4379)]