628551040

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2437}}^1$

素因数の和:2500

約数の個数: 128

約数和(自身を含む): 1671102720

約数和(自身を除く): 1042551680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 640, 806, 832, 992, 1040, 1240, 1612, 1664, 1984, 2015, 2080, 2437, 2480, 3224, 3968, 4030, 4160, 4874, 4960, 6448, 8060, 8320, 9748, 9920, 12185, 12896, 16120, 19496, 19840, 24370, 25792, 31681, 32240, 38992, 48740, 51584, 63362, 64480, 75547, 77984, 97480, 126724, 128960, 151094, 155968, 158405, 194960, 253448, 257920, 302188, 311936, 316810, 377735, 389920, 506896, 604376, 633620, 755470, 779840, 982111, 1013792, 1208752, 1267240, 1510940, 1559680, 1964222, 2027584, 2417504, 2534480, 3021880, 3928444, 4055168, 4835008, 4910555, 5068960, 6043760, 7856888, 9670016, 9821110, 10137920, 12087520, 15713776, 19642220, 20275840, 24175040, 31427552, 39284440, 48350080, 62855104, 78568880, 125710208, 157137760, 314275520, 628551040]

約数ペア:

[(1, 628551040), (2, 314275520), (4, 157137760), (5, 125710208), (8, 78568880), (10, 62855104), (13, 48350080), (16, 39284440), (20, 31427552), (26, 24175040), (31, 20275840), (32, 19642220), (40, 15713776), (52, 12087520), (62, 10137920), (64, 9821110), (65, 9670016), (80, 7856888), (104, 6043760), (124, 5068960), (128, 4910555), (130, 4835008), (155, 4055168), (160, 3928444), (208, 3021880), (248, 2534480), (260, 2417504), (310, 2027584), (320, 1964222), (403, 1559680), (416, 1510940), (496, 1267240), (520, 1208752), (620, 1013792), (640, 982111), (806, 779840), (832, 755470), (992, 633620), (1040, 604376), (1240, 506896), (1612, 389920), (1664, 377735), (1984, 316810), (2015, 311936), (2080, 302188), (2437, 257920), (2480, 253448), (3224, 194960), (3968, 158405), (4030, 155968), (4160, 151094), (4874, 128960), (4960, 126724), (6448, 97480), (8060, 77984), (8320, 75547), (9748, 64480), (9920, 63362), (12185, 51584), (12896, 48740), (16120, 38992), (19496, 32240), (19840, 31681), (24370, 25792)]