139986080

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:239

約数の個数: 144

約数和(自身を含む): 371879424

約数和(自身を除く): 231893344

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 80, 104, 124, 130, 155, 160, 167, 169, 208, 248, 260, 310, 334, 338, 403, 416, 496, 520, 620, 668, 676, 806, 835, 845, 992, 1040, 1240, 1336, 1352, 1612, 1670, 1690, 2015, 2080, 2171, 2480, 2672, 2704, 3224, 3340, 3380, 4030, 4342, 4960, 5177, 5239, 5344, 5408, 6448, 6680, 6760, 8060, 8684, 10354, 10478, 10855, 12896, 13360, 13520, 16120, 17368, 20708, 20956, 21710, 25885, 26195, 26720, 27040, 28223, 32240, 34736, 41416, 41912, 43420, 51770, 52390, 56446, 64480, 67301, 69472, 82832, 83824, 86840, 103540, 104780, 112892, 134602, 141115, 165664, 167648, 173680, 207080, 209560, 225784, 269204, 282230, 336505, 347360, 414160, 419120, 451568, 538408, 564460, 673010, 828320, 838240, 874913, 903136, 1076816, 1128920, 1346020, 1749826, 2153632, 2257840, 2692040, 3499652, 4374565, 4515680, 5384080, 6999304, 8749130, 10768160, 13998608, 17498260, 27997216, 34996520, 69993040, 139986080]

約数ペア:

[(1, 139986080), (2, 69993040), (4, 34996520), (5, 27997216), (8, 17498260), (10, 13998608), (13, 10768160), (16, 8749130), (20, 6999304), (26, 5384080), (31, 4515680), (32, 4374565), (40, 3499652), (52, 2692040), (62, 2257840), (65, 2153632), (80, 1749826), (104, 1346020), (124, 1128920), (130, 1076816), (155, 903136), (160, 874913), (167, 838240), (169, 828320), (208, 673010), (248, 564460), (260, 538408), (310, 451568), (334, 419120), (338, 414160), (403, 347360), (416, 336505), (496, 282230), (520, 269204), (620, 225784), (668, 209560), (676, 207080), (806, 173680), (835, 167648), (845, 165664), (992, 141115), (1040, 134602), (1240, 112892), (1336, 104780), (1352, 103540), (1612, 86840), (1670, 83824), (1690, 82832), (2015, 69472), (2080, 67301), (2171, 64480), (2480, 56446), (2672, 52390), (2704, 51770), (3224, 43420), (3340, 41912), (3380, 41416), (4030, 34736), (4342, 32240), (4960, 28223), (5177, 27040), (5239, 26720), (5344, 26195), (5408, 25885), (6448, 21710), (6680, 20956), (6760, 20708), (8060, 17368), (8684, 16120), (10354, 13520), (10478, 13360), (10855, 12896)]