85757840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:325

約数の個数: 120

約数和(自身を含む): 235109952

約数和(自身を除く): 149352112

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 131, 140, 167, 196, 245, 262, 280, 334, 392, 490, 524, 560, 655, 668, 784, 835, 917, 980, 1048, 1169, 1310, 1336, 1670, 1834, 1960, 2096, 2338, 2620, 2672, 3340, 3668, 3920, 4585, 4676, 5240, 5845, 6419, 6680, 7336, 8183, 9170, 9352, 10480, 11690, 12838, 13360, 14672, 16366, 18340, 18704, 21877, 23380, 25676, 32095, 32732, 36680, 40915, 43754, 46760, 51352, 64190, 65464, 73360, 81830, 87508, 93520, 102704, 109385, 128380, 130928, 153139, 163660, 175016, 218770, 256760, 306278, 327320, 350032, 437540, 513520, 612556, 654640, 765695, 875080, 1071973, 1225112, 1531390, 1750160, 2143946, 2450224, 3062780, 4287892, 5359865, 6125560, 8575784, 10719730, 12251120, 17151568, 21439460, 42878920, 85757840]

約数ペア:

[(1, 85757840), (2, 42878920), (4, 21439460), (5, 17151568), (7, 12251120), (8, 10719730), (10, 8575784), (14, 6125560), (16, 5359865), (20, 4287892), (28, 3062780), (35, 2450224), (40, 2143946), (49, 1750160), (56, 1531390), (70, 1225112), (80, 1071973), (98, 875080), (112, 765695), (131, 654640), (140, 612556), (167, 513520), (196, 437540), (245, 350032), (262, 327320), (280, 306278), (334, 256760), (392, 218770), (490, 175016), (524, 163660), (560, 153139), (655, 130928), (668, 128380), (784, 109385), (835, 102704), (917, 93520), (980, 87508), (1048, 81830), (1169, 73360), (1310, 65464), (1336, 64190), (1670, 51352), (1834, 46760), (1960, 43754), (2096, 40915), (2338, 36680), (2620, 32732), (2672, 32095), (3340, 25676), (3668, 23380), (3920, 21877), (4585, 18704), (4676, 18340), (5240, 16366), (5845, 14672), (6419, 13360), (6680, 12838), (7336, 11690), (8183, 10480), (9170, 9352)]