128248680

素因数分解:

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

素因数の和:1328

約数の個数: 192

約数和(自身を含む): 474258240

約数和(自身を除く): 346009560

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, 49, 51, 56, 60, 68, 70, 84, 85, 98, 102, 105, 119, 120, 136, 140, 147, 168, 170, 196, 204, 210, 238, 245, 255, 280, 294, 340, 357, 392, 408, 420, 476, 490, 510, 588, 595, 680, 714, 735, 833, 840, 952, 980, 1020, 1176, 1190, 1283, 1428, 1470, 1666, 1785, 1960, 2040, 2380, 2499, 2566, 2856, 2940, 3332, 3570, 3849, 4165, 4760, 4998, 5132, 5880, 6415, 6664, 7140, 7698, 8330, 8981, 9996, 10264, 12495, 12830, 14280, 15396, 16660, 17962, 19245, 19992, 21811, 24990, 25660, 26943, 30792, 33320, 35924, 38490, 43622, 44905, 49980, 51320, 53886, 62867, 65433, 71848, 76980, 87244, 89810, 99960, 107772, 109055, 125734, 130866, 134715, 152677, 153960, 174488, 179620, 188601, 215544, 218110, 251468, 261732, 269430, 305354, 314335, 327165, 359240, 377202, 436220, 458031, 502936, 523464, 538860, 610708, 628670, 654330, 754404, 763385, 872440, 916062, 943005, 1068739, 1077720, 1221416, 1257340, 1308660, 1508808, 1526770, 1832124, 1886010, 2137478, 2290155, 2514680, 2617320, 3053540, 3206217, 3664248, 3772020, 4274956, 4580310, 5343695, 6107080, 6412434, 7544040, 8549912, 9160620, 10687390, 12824868, 16031085, 18321240, 21374780, 25649736, 32062170, 42749560, 64124340, 128248680]

約数ペア:

[(1, 128248680), (2, 64124340), (3, 42749560), (4, 32062170), (5, 25649736), (6, 21374780), (7, 18321240), (8, 16031085), (10, 12824868), (12, 10687390), (14, 9160620), (15, 8549912), (17, 7544040), (20, 6412434), (21, 6107080), (24, 5343695), (28, 4580310), (30, 4274956), (34, 3772020), (35, 3664248), (40, 3206217), (42, 3053540), (49, 2617320), (51, 2514680), (56, 2290155), (60, 2137478), (68, 1886010), (70, 1832124), (84, 1526770), (85, 1508808), (98, 1308660), (102, 1257340), (105, 1221416), (119, 1077720), (120, 1068739), (136, 943005), (140, 916062), (147, 872440), (168, 763385), (170, 754404), (196, 654330), (204, 628670), (210, 610708), (238, 538860), (245, 523464), (255, 502936), (280, 458031), (294, 436220), (340, 377202), (357, 359240), (392, 327165), (408, 314335), (420, 305354), (476, 269430), (490, 261732), (510, 251468), (588, 218110), (595, 215544), (680, 188601), (714, 179620), (735, 174488), (833, 153960), (840, 152677), (952, 134715), (980, 130866), (1020, 125734), (1176, 109055), (1190, 107772), (1283, 99960), (1428, 89810), (1470, 87244), (1666, 76980), (1785, 71848), (1960, 65433), (2040, 62867), (2380, 53886), (2499, 51320), (2566, 49980), (2856, 44905), (2940, 43622), (3332, 38490), (3570, 35924), (3849, 33320), (4165, 30792), (4760, 26943), (4998, 25660), (5132, 24990), (5880, 21811), (6415, 19992), (6664, 19245), (7140, 17962), (7698, 16660), (8330, 15396), (8981, 14280), (9996, 12830), (10264, 12495)]