86145280

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:232

約数の個数: 144

約数和(自身を含む): 230759424

約数和(自身を除く): 144614144

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, 167, 208, 248, 256, 260, 310, 320, 334, 403, 416, 496, 520, 620, 640, 668, 806, 832, 835, 992, 1040, 1240, 1280, 1336, 1612, 1664, 1670, 1984, 2015, 2080, 2171, 2480, 2672, 3224, 3328, 3340, 3968, 4030, 4160, 4342, 4960, 5177, 5344, 6448, 6680, 7936, 8060, 8320, 8684, 9920, 10354, 10688, 10855, 12896, 13360, 16120, 16640, 17368, 19840, 20708, 21376, 21710, 25792, 25885, 26720, 32240, 34736, 39680, 41416, 42752, 43420, 51584, 51770, 53440, 64480, 67301, 69472, 82832, 86840, 103168, 103540, 106880, 128960, 134602, 138944, 165664, 173680, 207080, 213760, 257920, 269204, 277888, 331328, 336505, 347360, 414160, 515840, 538408, 555776, 662656, 673010, 694720, 828320, 1076816, 1325312, 1346020, 1389440, 1656640, 2153632, 2692040, 2778880, 3313280, 4307264, 5384080, 6626560, 8614528, 10768160, 17229056, 21536320, 43072640, 86145280]

約数ペア:

[(1, 86145280), (2, 43072640), (4, 21536320), (5, 17229056), (8, 10768160), (10, 8614528), (13, 6626560), (16, 5384080), (20, 4307264), (26, 3313280), (31, 2778880), (32, 2692040), (40, 2153632), (52, 1656640), (62, 1389440), (64, 1346020), (65, 1325312), (80, 1076816), (104, 828320), (124, 694720), (128, 673010), (130, 662656), (155, 555776), (160, 538408), (167, 515840), (208, 414160), (248, 347360), (256, 336505), (260, 331328), (310, 277888), (320, 269204), (334, 257920), (403, 213760), (416, 207080), (496, 173680), (520, 165664), (620, 138944), (640, 134602), (668, 128960), (806, 106880), (832, 103540), (835, 103168), (992, 86840), (1040, 82832), (1240, 69472), (1280, 67301), (1336, 64480), (1612, 53440), (1664, 51770), (1670, 51584), (1984, 43420), (2015, 42752), (2080, 41416), (2171, 39680), (2480, 34736), (2672, 32240), (3224, 26720), (3328, 25885), (3340, 25792), (3968, 21710), (4030, 21376), (4160, 20708), (4342, 19840), (4960, 17368), (5177, 16640), (5344, 16120), (6448, 13360), (6680, 12896), (7936, 10855), (8060, 10688), (8320, 10354), (8684, 9920)]