818933440

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{797}}^1$

素因数の和:859

約数の個数: 168

約数和(自身を含む): 2225558160

約数和(自身を除く): 1406624720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 130, 152, 160, 169, 190, 208, 247, 260, 304, 320, 338, 380, 416, 494, 520, 608, 676, 760, 797, 832, 845, 988, 1040, 1216, 1235, 1352, 1520, 1594, 1690, 1976, 2080, 2470, 2704, 3040, 3188, 3211, 3380, 3952, 3985, 4160, 4940, 5408, 6080, 6376, 6422, 6760, 7904, 7970, 9880, 10361, 10816, 12752, 12844, 13520, 15143, 15808, 15940, 16055, 19760, 20722, 25504, 25688, 27040, 30286, 31880, 32110, 39520, 41444, 51008, 51376, 51805, 54080, 60572, 63760, 64220, 75715, 79040, 82888, 102752, 103610, 121144, 127520, 128440, 134693, 151430, 165776, 196859, 205504, 207220, 242288, 255040, 256880, 269386, 302860, 331552, 393718, 414440, 484576, 513760, 538772, 605720, 663104, 673465, 787436, 828880, 969152, 984295, 1027520, 1077544, 1211440, 1346930, 1574872, 1657760, 1968590, 2155088, 2422880, 2559167, 2693860, 3149744, 3315520, 3937180, 4310176, 4845760, 5118334, 5387720, 6299488, 7874360, 8620352, 10236668, 10775440, 12598976, 12795835, 15748720, 20473336, 21550880, 25591670, 31497440, 40946672, 43101760, 51183340, 62994880, 81893344, 102366680, 163786688, 204733360, 409466720, 818933440]

約数ペア:

[(1, 818933440), (2, 409466720), (4, 204733360), (5, 163786688), (8, 102366680), (10, 81893344), (13, 62994880), (16, 51183340), (19, 43101760), (20, 40946672), (26, 31497440), (32, 25591670), (38, 21550880), (40, 20473336), (52, 15748720), (64, 12795835), (65, 12598976), (76, 10775440), (80, 10236668), (95, 8620352), (104, 7874360), (130, 6299488), (152, 5387720), (160, 5118334), (169, 4845760), (190, 4310176), (208, 3937180), (247, 3315520), (260, 3149744), (304, 2693860), (320, 2559167), (338, 2422880), (380, 2155088), (416, 1968590), (494, 1657760), (520, 1574872), (608, 1346930), (676, 1211440), (760, 1077544), (797, 1027520), (832, 984295), (845, 969152), (988, 828880), (1040, 787436), (1216, 673465), (1235, 663104), (1352, 605720), (1520, 538772), (1594, 513760), (1690, 484576), (1976, 414440), (2080, 393718), (2470, 331552), (2704, 302860), (3040, 269386), (3188, 256880), (3211, 255040), (3380, 242288), (3952, 207220), (3985, 205504), (4160, 196859), (4940, 165776), (5408, 151430), (6080, 134693), (6376, 128440), (6422, 127520), (6760, 121144), (7904, 103610), (7970, 102752), (9880, 82888), (10361, 79040), (10816, 75715), (12752, 64220), (12844, 63760), (13520, 60572), (15143, 54080), (15808, 51805), (15940, 51376), (16055, 51008), (19760, 41444), (20722, 39520), (25504, 32110), (25688, 31880), (27040, 30286)]