85855840

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{233}}^1$

素因数の和:309

約数の個数: 144

約数和(自身を含む): 242004672

約数和(自身を除く): 156148832

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 49, 56, 70, 80, 94, 98, 112, 140, 160, 188, 196, 224, 233, 235, 245, 280, 329, 376, 392, 466, 470, 490, 560, 658, 752, 784, 932, 940, 980, 1120, 1165, 1316, 1504, 1568, 1631, 1645, 1864, 1880, 1960, 2303, 2330, 2632, 3262, 3290, 3728, 3760, 3920, 4606, 4660, 5264, 6524, 6580, 7456, 7520, 7840, 8155, 9212, 9320, 10528, 10951, 11417, 11515, 13048, 13160, 16310, 18424, 18640, 21902, 22834, 23030, 26096, 26320, 32620, 36848, 37280, 43804, 45668, 46060, 52192, 52640, 54755, 57085, 65240, 73696, 76657, 87608, 91336, 92120, 109510, 114170, 130480, 153314, 175216, 182672, 184240, 219020, 228340, 260960, 306628, 350432, 365344, 368480, 383285, 438040, 456680, 536599, 613256, 766570, 876080, 913360, 1073198, 1226512, 1533140, 1752160, 1826720, 2146396, 2453024, 2682995, 3066280, 4292792, 5365990, 6132560, 8585584, 10731980, 12265120, 17171168, 21463960, 42927920, 85855840]

約数ペア:

[(1, 85855840), (2, 42927920), (4, 21463960), (5, 17171168), (7, 12265120), (8, 10731980), (10, 8585584), (14, 6132560), (16, 5365990), (20, 4292792), (28, 3066280), (32, 2682995), (35, 2453024), (40, 2146396), (47, 1826720), (49, 1752160), (56, 1533140), (70, 1226512), (80, 1073198), (94, 913360), (98, 876080), (112, 766570), (140, 613256), (160, 536599), (188, 456680), (196, 438040), (224, 383285), (233, 368480), (235, 365344), (245, 350432), (280, 306628), (329, 260960), (376, 228340), (392, 219020), (466, 184240), (470, 182672), (490, 175216), (560, 153314), (658, 130480), (752, 114170), (784, 109510), (932, 92120), (940, 91336), (980, 87608), (1120, 76657), (1165, 73696), (1316, 65240), (1504, 57085), (1568, 54755), (1631, 52640), (1645, 52192), (1864, 46060), (1880, 45668), (1960, 43804), (2303, 37280), (2330, 36848), (2632, 32620), (3262, 26320), (3290, 26096), (3728, 23030), (3760, 22834), (3920, 21902), (4606, 18640), (4660, 18424), (5264, 16310), (6524, 13160), (6580, 13048), (7456, 11515), (7520, 11417), (7840, 10951), (8155, 10528), (9212, 9320)]