25613820

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1$

素因数の和:281

約数の個数: 120

約数和(自身を含む): 81677904

約数和(自身を除く): 56064084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 97, 108, 135, 162, 163, 180, 194, 270, 291, 324, 326, 388, 405, 485, 489, 540, 582, 652, 810, 815, 873, 970, 978, 1164, 1455, 1467, 1620, 1630, 1746, 1940, 1956, 2445, 2619, 2910, 2934, 3260, 3492, 4365, 4401, 4890, 5238, 5820, 5868, 7335, 7857, 8730, 8802, 9780, 10476, 13095, 13203, 14670, 15714, 15811, 17460, 17604, 22005, 26190, 26406, 29340, 31428, 31622, 39285, 44010, 47433, 52380, 52812, 63244, 66015, 78570, 79055, 88020, 94866, 132030, 142299, 157140, 158110, 189732, 237165, 264060, 284598, 316220, 426897, 474330, 569196, 711495, 853794, 948660, 1280691, 1422990, 1707588, 2134485, 2561382, 2845980, 4268970, 5122764, 6403455, 8537940, 12806910, 25613820]

約数ペア:

[(1, 25613820), (2, 12806910), (3, 8537940), (4, 6403455), (5, 5122764), (6, 4268970), (9, 2845980), (10, 2561382), (12, 2134485), (15, 1707588), (18, 1422990), (20, 1280691), (27, 948660), (30, 853794), (36, 711495), (45, 569196), (54, 474330), (60, 426897), (81, 316220), (90, 284598), (97, 264060), (108, 237165), (135, 189732), (162, 158110), (163, 157140), (180, 142299), (194, 132030), (270, 94866), (291, 88020), (324, 79055), (326, 78570), (388, 66015), (405, 63244), (485, 52812), (489, 52380), (540, 47433), (582, 44010), (652, 39285), (810, 31622), (815, 31428), (873, 29340), (970, 26406), (978, 26190), (1164, 22005), (1455, 17604), (1467, 17460), (1620, 15811), (1630, 15714), (1746, 14670), (1940, 13203), (1956, 13095), (2445, 10476), (2619, 9780), (2910, 8802), (2934, 8730), (3260, 7857), (3492, 7335), (4365, 5868), (4401, 5820), (4890, 5238)]