1988418120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41117}}^1$

素因数の和:41175

約数の個数: 128

約数和(自身を含む): 6631511040

約数和(自身を除く): 4643092920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 60, 62, 65, 78, 93, 104, 120, 124, 130, 155, 156, 186, 195, 248, 260, 310, 312, 372, 390, 403, 465, 520, 620, 744, 780, 806, 930, 1209, 1240, 1560, 1612, 1860, 2015, 2418, 3224, 3720, 4030, 4836, 6045, 8060, 9672, 12090, 16120, 24180, 41117, 48360, 82234, 123351, 164468, 205585, 246702, 328936, 411170, 493404, 534521, 616755, 822340, 986808, 1069042, 1233510, 1274627, 1603563, 1644680, 2138084, 2467020, 2549254, 2672605, 3207126, 3823881, 4276168, 4934040, 5098508, 5345210, 6373135, 6414252, 7647762, 8017815, 10197016, 10690420, 12746270, 12828504, 15295524, 16035630, 16570151, 19119405, 21380840, 25492540, 30591048, 32071260, 33140302, 38238810, 49710453, 50985080, 64142520, 66280604, 76477620, 82850755, 99420906, 132561208, 152955240, 165701510, 198841812, 248552265, 331403020, 397683624, 497104530, 662806040, 994209060, 1988418120]

約数ペア:

[(1, 1988418120), (2, 994209060), (3, 662806040), (4, 497104530), (5, 397683624), (6, 331403020), (8, 248552265), (10, 198841812), (12, 165701510), (13, 152955240), (15, 132561208), (20, 99420906), (24, 82850755), (26, 76477620), (30, 66280604), (31, 64142520), (39, 50985080), (40, 49710453), (52, 38238810), (60, 33140302), (62, 32071260), (65, 30591048), (78, 25492540), (93, 21380840), (104, 19119405), (120, 16570151), (124, 16035630), (130, 15295524), (155, 12828504), (156, 12746270), (186, 10690420), (195, 10197016), (248, 8017815), (260, 7647762), (310, 6414252), (312, 6373135), (372, 5345210), (390, 5098508), (403, 4934040), (465, 4276168), (520, 3823881), (620, 3207126), (744, 2672605), (780, 2549254), (806, 2467020), (930, 2138084), (1209, 1644680), (1240, 1603563), (1560, 1274627), (1612, 1233510), (1860, 1069042), (2015, 986808), (2418, 822340), (3224, 616755), (3720, 534521), (4030, 493404), (4836, 411170), (6045, 328936), (8060, 246702), (9672, 205585), (12090, 164468), (16120, 123351), (24180, 82234), (41117, 48360)]