279972160

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:241

約数の個数: 168

約数和(自身を含む): 749661696

約数和(自身を除く): 469689536

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 167, 169, 208, 248, 260, 310, 320, 334, 338, 403, 416, 496, 520, 620, 668, 676, 806, 832, 835, 845, 992, 1040, 1240, 1336, 1352, 1612, 1670, 1690, 1984, 2015, 2080, 2171, 2480, 2672, 2704, 3224, 3340, 3380, 4030, 4160, 4342, 4960, 5177, 5239, 5344, 5408, 6448, 6680, 6760, 8060, 8684, 9920, 10354, 10478, 10688, 10816, 10855, 12896, 13360, 13520, 16120, 17368, 20708, 20956, 21710, 25792, 25885, 26195, 26720, 27040, 28223, 32240, 34736, 41416, 41912, 43420, 51770, 52390, 53440, 54080, 56446, 64480, 67301, 69472, 82832, 83824, 86840, 103540, 104780, 112892, 128960, 134602, 138944, 141115, 165664, 167648, 173680, 207080, 209560, 225784, 269204, 282230, 331328, 335296, 336505, 347360, 414160, 419120, 451568, 538408, 564460, 673010, 694720, 828320, 838240, 874913, 903136, 1076816, 1128920, 1346020, 1656640, 1676480, 1749826, 1806272, 2153632, 2257840, 2692040, 3499652, 4307264, 4374565, 4515680, 5384080, 6999304, 8749130, 9031360, 10768160, 13998608, 17498260, 21536320, 27997216, 34996520, 55994432, 69993040, 139986080, 279972160]

約数ペア:

[(1, 279972160), (2, 139986080), (4, 69993040), (5, 55994432), (8, 34996520), (10, 27997216), (13, 21536320), (16, 17498260), (20, 13998608), (26, 10768160), (31, 9031360), (32, 8749130), (40, 6999304), (52, 5384080), (62, 4515680), (64, 4374565), (65, 4307264), (80, 3499652), (104, 2692040), (124, 2257840), (130, 2153632), (155, 1806272), (160, 1749826), (167, 1676480), (169, 1656640), (208, 1346020), (248, 1128920), (260, 1076816), (310, 903136), (320, 874913), (334, 838240), (338, 828320), (403, 694720), (416, 673010), (496, 564460), (520, 538408), (620, 451568), (668, 419120), (676, 414160), (806, 347360), (832, 336505), (835, 335296), (845, 331328), (992, 282230), (1040, 269204), (1240, 225784), (1336, 209560), (1352, 207080), (1612, 173680), (1670, 167648), (1690, 165664), (1984, 141115), (2015, 138944), (2080, 134602), (2171, 128960), (2480, 112892), (2672, 104780), (2704, 103540), (3224, 86840), (3340, 83824), (3380, 82832), (4030, 69472), (4160, 67301), (4342, 64480), (4960, 56446), (5177, 54080), (5239, 53440), (5344, 52390), (5408, 51770), (6448, 43420), (6680, 41912), (6760, 41416), (8060, 34736), (8684, 32240), (9920, 28223), (10354, 27040), (10478, 26720), (10688, 26195), (10816, 25885), (10855, 25792), (12896, 21710), (13360, 20956), (13520, 20708), (16120, 17368)]