87780240

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{40639}}^1$

素因数の和:40661

約数の個数: 80

約数和(自身を含む): 302361600

約数和(自身を除く): 214581360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 40639, 81278, 121917, 162556, 203195, 243834, 325112, 365751, 406390, 487668, 609585, 650224, 731502, 812780, 975336, 1097253, 1219170, 1463004, 1625560, 1828755, 1950672, 2194506, 2438340, 2926008, 3251120, 3657510, 4389012, 4876680, 5486265, 5852016, 7315020, 8778024, 9753360, 10972530, 14630040, 17556048, 21945060, 29260080, 43890120, 87780240]

約数ペア:

[(1, 87780240), (2, 43890120), (3, 29260080), (4, 21945060), (5, 17556048), (6, 14630040), (8, 10972530), (9, 9753360), (10, 8778024), (12, 7315020), (15, 5852016), (16, 5486265), (18, 4876680), (20, 4389012), (24, 3657510), (27, 3251120), (30, 2926008), (36, 2438340), (40, 2194506), (45, 1950672), (48, 1828755), (54, 1625560), (60, 1463004), (72, 1219170), (80, 1097253), (90, 975336), (108, 812780), (120, 731502), (135, 650224), (144, 609585), (180, 487668), (216, 406390), (240, 365751), (270, 325112), (360, 243834), (432, 203195), (540, 162556), (720, 121917), (1080, 81278), (2160, 40639)]