123878263040

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{2557}}^1\times {\mathrm{5407}}^1$

素因数の和:7992

約数の個数: 144

約数和(自身を含む): 339312110592

約数和(自身を除く): 215433847552

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 2557, 4480, 5114, 5407, 8960, 10228, 10814, 12785, 17899, 20456, 21628, 25570, 27035, 35798, 37849, 40912, 43256, 51140, 54070, 71596, 75698, 81824, 86512, 89495, 102280, 108140, 143192, 151396, 163648, 173024, 178990, 189245, 204560, 216280, 286384, 302792, 327296, 346048, 357980, 378490, 409120, 432560, 572768, 605584, 654592, 692096, 715960, 756980, 818240, 865120, 1145536, 1211168, 1384192, 1431920, 1513960, 1636480, 1730240, 2291072, 2422336, 2863840, 3027920, 3272960, 3460480, 4582144, 4844672, 5727680, 6055840, 6920960, 9689344, 11455360, 12111680, 13825699, 22910720, 24223360, 27651398, 48446720, 55302796, 69128495, 96779893, 110605592, 138256990, 193559786, 221211184, 276513980, 387119572, 442422368, 483899465, 553027960, 774239144, 884844736, 967798930, 1106055920, 1548478288, 1769689472, 1935597860, 2212111840, 3096956576, 3539378944, 3871195720, 4424223680, 6193913152, 7742391440, 8848447360, 12387826304, 15484782880, 17696894720, 24775652608, 30969565760, 61939131520, 123878263040]

約数ペア:

[(1, 123878263040), (2, 61939131520), (4, 30969565760), (5, 24775652608), (7, 17696894720), (8, 15484782880), (10, 12387826304), (14, 8848447360), (16, 7742391440), (20, 6193913152), (28, 4424223680), (32, 3871195720), (35, 3539378944), (40, 3096956576), (56, 2212111840), (64, 1935597860), (70, 1769689472), (80, 1548478288), (112, 1106055920), (128, 967798930), (140, 884844736), (160, 774239144), (224, 553027960), (256, 483899465), (280, 442422368), (320, 387119572), (448, 276513980), (560, 221211184), (640, 193559786), (896, 138256990), (1120, 110605592), (1280, 96779893), (1792, 69128495), (2240, 55302796), (2557, 48446720), (4480, 27651398), (5114, 24223360), (5407, 22910720), (8960, 13825699), (10228, 12111680), (10814, 11455360), (12785, 9689344), (17899, 6920960), (20456, 6055840), (21628, 5727680), (25570, 4844672), (27035, 4582144), (35798, 3460480), (37849, 3272960), (40912, 3027920), (43256, 2863840), (51140, 2422336), (54070, 2291072), (71596, 1730240), (75698, 1636480), (81824, 1513960), (86512, 1431920), (89495, 1384192), (102280, 1211168), (108140, 1145536), (143192, 865120), (151396, 818240), (163648, 756980), (173024, 715960), (178990, 692096), (189245, 654592), (204560, 605584), (216280, 572768), (286384, 432560), (302792, 409120), (327296, 378490), (346048, 357980)]