25508880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{499}}^1$

素因数の和:589

約数の個数: 120

約数和(自身を含む): 87048000

約数和(自身を除く): 61539120

約数列:

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

約数ペア:

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