15071420

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{13}}^3$

素因数の和:69

約数の個数: 96

約数和(自身を含む): 39984000

約数和(自身を除く): 24912580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 169, 182, 196, 245, 260, 338, 343, 364, 455, 490, 637, 676, 686, 845, 910, 980, 1183, 1274, 1372, 1690, 1715, 1820, 2197, 2366, 2548, 3185, 3380, 3430, 4394, 4459, 4732, 5915, 6370, 6860, 8281, 8788, 8918, 10985, 11830, 12740, 15379, 16562, 17836, 21970, 22295, 23660, 30758, 33124, 41405, 43940, 44590, 57967, 61516, 76895, 82810, 89180, 107653, 115934, 153790, 165620, 215306, 231868, 289835, 307580, 430612, 538265, 579670, 753571, 1076530, 1159340, 1507142, 2153060, 3014284, 3767855, 7535710, 15071420]

約数ペア:

[(1, 15071420), (2, 7535710), (4, 3767855), (5, 3014284), (7, 2153060), (10, 1507142), (13, 1159340), (14, 1076530), (20, 753571), (26, 579670), (28, 538265), (35, 430612), (49, 307580), (52, 289835), (65, 231868), (70, 215306), (91, 165620), (98, 153790), (130, 115934), (140, 107653), (169, 89180), (182, 82810), (196, 76895), (245, 61516), (260, 57967), (338, 44590), (343, 43940), (364, 41405), (455, 33124), (490, 30758), (637, 23660), (676, 22295), (686, 21970), (845, 17836), (910, 16562), (980, 15379), (1183, 12740), (1274, 11830), (1372, 10985), (1690, 8918), (1715, 8788), (1820, 8281), (2197, 6860), (2366, 6370), (2548, 5915), (3185, 4732), (3380, 4459), (3430, 4394)]