902878720

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^2\times {\mathrm{367}}^1$

素因数の和:452

約数の個数: 120

約数和(自身を含む): 2242972512

約数和(自身を除く): 1340093792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 367, 496, 512, 620, 640, 734, 961, 992, 1240, 1280, 1468, 1835, 1922, 1984, 2480, 2560, 2936, 3670, 3844, 3968, 4805, 4960, 5872, 7340, 7688, 7936, 9610, 9920, 11377, 11744, 14680, 15376, 15872, 19220, 19840, 22754, 23488, 29360, 30752, 38440, 39680, 45508, 46976, 56885, 58720, 61504, 76880, 79360, 91016, 93952, 113770, 117440, 123008, 153760, 182032, 187904, 227540, 234880, 246016, 307520, 352687, 364064, 455080, 469760, 492032, 615040, 705374, 728128, 910160, 939520, 1230080, 1410748, 1456256, 1763435, 1820320, 2460160, 2821496, 2912512, 3526870, 3640640, 5642992, 5825024, 7053740, 7281280, 11285984, 14107480, 14562560, 22571968, 28214960, 29125120, 45143936, 56429920, 90287872, 112859840, 180575744, 225719680, 451439360, 902878720]

約数ペア:

[(1, 902878720), (2, 451439360), (4, 225719680), (5, 180575744), (8, 112859840), (10, 90287872), (16, 56429920), (20, 45143936), (31, 29125120), (32, 28214960), (40, 22571968), (62, 14562560), (64, 14107480), (80, 11285984), (124, 7281280), (128, 7053740), (155, 5825024), (160, 5642992), (248, 3640640), (256, 3526870), (310, 2912512), (320, 2821496), (367, 2460160), (496, 1820320), (512, 1763435), (620, 1456256), (640, 1410748), (734, 1230080), (961, 939520), (992, 910160), (1240, 728128), (1280, 705374), (1468, 615040), (1835, 492032), (1922, 469760), (1984, 455080), (2480, 364064), (2560, 352687), (2936, 307520), (3670, 246016), (3844, 234880), (3968, 227540), (4805, 187904), (4960, 182032), (5872, 153760), (7340, 123008), (7688, 117440), (7936, 113770), (9610, 93952), (9920, 91016), (11377, 79360), (11744, 76880), (14680, 61504), (15376, 58720), (15872, 56885), (19220, 46976), (19840, 45508), (22754, 39680), (23488, 38440), (29360, 30752)]