51017760

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{499}}^1$

素因数の和:591

約数の個数: 144

約数和(自身を含む): 176904000

約数和(自身を除く): 125886240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 71, 72, 80, 90, 96, 120, 142, 144, 160, 180, 213, 240, 284, 288, 355, 360, 426, 480, 499, 568, 639, 710, 720, 852, 998, 1065, 1136, 1278, 1420, 1440, 1497, 1704, 1996, 2130, 2272, 2495, 2556, 2840, 2994, 3195, 3408, 3992, 4260, 4491, 4990, 5112, 5680, 5988, 6390, 6816, 7485, 7984, 8520, 8982, 9980, 10224, 11360, 11976, 12780, 14970, 15968, 17040, 17964, 19960, 20448, 22455, 23952, 25560, 29940, 34080, 35429, 35928, 39920, 44910, 47904, 51120, 59880, 70858, 71856, 79840, 89820, 102240, 106287, 119760, 141716, 143712, 177145, 179640, 212574, 239520, 283432, 318861, 354290, 359280, 425148, 531435, 566864, 637722, 708580, 718560, 850296, 1062870, 1133728, 1275444, 1417160, 1594305, 1700592, 2125740, 2550888, 2834320, 3188610, 3401184, 4251480, 5101776, 5668640, 6377220, 8502960, 10203552, 12754440, 17005920, 25508880, 51017760]

約数ペア:

[(1, 51017760), (2, 25508880), (3, 17005920), (4, 12754440), (5, 10203552), (6, 8502960), (8, 6377220), (9, 5668640), (10, 5101776), (12, 4251480), (15, 3401184), (16, 3188610), (18, 2834320), (20, 2550888), (24, 2125740), (30, 1700592), (32, 1594305), (36, 1417160), (40, 1275444), (45, 1133728), (48, 1062870), (60, 850296), (71, 718560), (72, 708580), (80, 637722), (90, 566864), (96, 531435), (120, 425148), (142, 359280), (144, 354290), (160, 318861), (180, 283432), (213, 239520), (240, 212574), (284, 179640), (288, 177145), (355, 143712), (360, 141716), (426, 119760), (480, 106287), (499, 102240), (568, 89820), (639, 79840), (710, 71856), (720, 70858), (852, 59880), (998, 51120), (1065, 47904), (1136, 44910), (1278, 39920), (1420, 35928), (1440, 35429), (1497, 34080), (1704, 29940), (1996, 25560), (2130, 23952), (2272, 22455), (2495, 20448), (2556, 19960), (2840, 17964), (2994, 17040), (3195, 15968), (3408, 14970), (3992, 12780), (4260, 11976), (4491, 11360), (4990, 10224), (5112, 9980), (5680, 8982), (5988, 8520), (6390, 7984), (6816, 7485)]