15375820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1103}}^1$

素因数の和:1170

約数の個数: 48

約数和(自身を含む): 35054208

約数和(自身を除く): 19678388

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 340, 410, 697, 820, 1103, 1394, 2206, 2788, 3485, 4412, 5515, 6970, 11030, 13940, 18751, 22060, 37502, 45223, 75004, 90446, 93755, 180892, 187510, 226115, 375020, 452230, 768791, 904460, 1537582, 3075164, 3843955, 7687910, 15375820]

約数ペア:

[(1, 15375820), (2, 7687910), (4, 3843955), (5, 3075164), (10, 1537582), (17, 904460), (20, 768791), (34, 452230), (41, 375020), (68, 226115), (82, 187510), (85, 180892), (164, 93755), (170, 90446), (205, 75004), (340, 45223), (410, 37502), (697, 22060), (820, 18751), (1103, 13940), (1394, 11030), (2206, 6970), (2788, 5515), (3485, 4412)]