18321240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1283}}^1$

素因数の和:1321

約数の個数: 128

約数和(自身を含む): 66562560

約数和(自身を除く): 48241320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 119, 120, 136, 140, 168, 170, 204, 210, 238, 255, 280, 340, 357, 408, 420, 476, 510, 595, 680, 714, 840, 952, 1020, 1190, 1283, 1428, 1785, 2040, 2380, 2566, 2856, 3570, 3849, 4760, 5132, 6415, 7140, 7698, 8981, 10264, 12830, 14280, 15396, 17962, 19245, 21811, 25660, 26943, 30792, 35924, 38490, 43622, 44905, 51320, 53886, 65433, 71848, 76980, 87244, 89810, 107772, 109055, 130866, 134715, 152677, 153960, 174488, 179620, 215544, 218110, 261732, 269430, 305354, 327165, 359240, 436220, 458031, 523464, 538860, 610708, 654330, 763385, 872440, 916062, 1077720, 1221416, 1308660, 1526770, 1832124, 2290155, 2617320, 3053540, 3664248, 4580310, 6107080, 9160620, 18321240]

約数ペア:

[(1, 18321240), (2, 9160620), (3, 6107080), (4, 4580310), (5, 3664248), (6, 3053540), (7, 2617320), (8, 2290155), (10, 1832124), (12, 1526770), (14, 1308660), (15, 1221416), (17, 1077720), (20, 916062), (21, 872440), (24, 763385), (28, 654330), (30, 610708), (34, 538860), (35, 523464), (40, 458031), (42, 436220), (51, 359240), (56, 327165), (60, 305354), (68, 269430), (70, 261732), (84, 218110), (85, 215544), (102, 179620), (105, 174488), (119, 153960), (120, 152677), (136, 134715), (140, 130866), (168, 109055), (170, 107772), (204, 89810), (210, 87244), (238, 76980), (255, 71848), (280, 65433), (340, 53886), (357, 51320), (408, 44905), (420, 43622), (476, 38490), (510, 35924), (595, 30792), (680, 26943), (714, 25660), (840, 21811), (952, 19245), (1020, 17962), (1190, 15396), (1283, 14280), (1428, 12830), (1785, 10264), (2040, 8981), (2380, 7698), (2566, 7140), (2856, 6415), (3570, 5132), (3849, 4760)]