8131121440

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{6637}}^1$

素因数の和:6715

約数の個数: 192

約数和(自身を含む): 22482109440

約数和(自身を除く): 14350988000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 31, 32, 38, 40, 52, 62, 65, 76, 80, 95, 104, 124, 130, 152, 155, 160, 190, 208, 247, 248, 260, 304, 310, 380, 403, 416, 494, 496, 520, 589, 608, 620, 760, 806, 988, 992, 1040, 1178, 1235, 1240, 1520, 1612, 1976, 2015, 2080, 2356, 2470, 2480, 2945, 3040, 3224, 3952, 4030, 4712, 4940, 4960, 5890, 6448, 6637, 7657, 7904, 8060, 9424, 9880, 11780, 12896, 13274, 15314, 16120, 18848, 19760, 23560, 26548, 30628, 32240, 33185, 38285, 39520, 47120, 53096, 61256, 64480, 66370, 76570, 86281, 94240, 106192, 122512, 126103, 132740, 153140, 172562, 205747, 212384, 245024, 252206, 265480, 306280, 345124, 411494, 431405, 504412, 530960, 612560, 630515, 690248, 822988, 862810, 1008824, 1028735, 1061920, 1225120, 1261030, 1380496, 1639339, 1645976, 1725620, 2017648, 2057470, 2522060, 2674711, 2760992, 3278678, 3291952, 3451240, 3909193, 4035296, 4114940, 5044120, 5349422, 6557356, 6583904, 6902480, 7818386, 8196695, 8229880, 10088240, 10698844, 13114712, 13373555, 13804960, 15636772, 16393390, 16459760, 19545965, 20176480, 21397688, 26229424, 26747110, 31273544, 32786780, 32919520, 39091930, 42795376, 50819509, 52458848, 53494220, 62547088, 65573560, 78183860, 85590752, 101639018, 106988440, 125094176, 131147120, 156367720, 203278036, 213976880, 254097545, 262294240, 312735440, 406556072, 427953760, 508195090, 625470880, 813112144, 1016390180, 1626224288, 2032780360, 4065560720, 8131121440]

約数ペア:

[(1, 8131121440), (2, 4065560720), (4, 2032780360), (5, 1626224288), (8, 1016390180), (10, 813112144), (13, 625470880), (16, 508195090), (19, 427953760), (20, 406556072), (26, 312735440), (31, 262294240), (32, 254097545), (38, 213976880), (40, 203278036), (52, 156367720), (62, 131147120), (65, 125094176), (76, 106988440), (80, 101639018), (95, 85590752), (104, 78183860), (124, 65573560), (130, 62547088), (152, 53494220), (155, 52458848), (160, 50819509), (190, 42795376), (208, 39091930), (247, 32919520), (248, 32786780), (260, 31273544), (304, 26747110), (310, 26229424), (380, 21397688), (403, 20176480), (416, 19545965), (494, 16459760), (496, 16393390), (520, 15636772), (589, 13804960), (608, 13373555), (620, 13114712), (760, 10698844), (806, 10088240), (988, 8229880), (992, 8196695), (1040, 7818386), (1178, 6902480), (1235, 6583904), (1240, 6557356), (1520, 5349422), (1612, 5044120), (1976, 4114940), (2015, 4035296), (2080, 3909193), (2356, 3451240), (2470, 3291952), (2480, 3278678), (2945, 2760992), (3040, 2674711), (3224, 2522060), (3952, 2057470), (4030, 2017648), (4712, 1725620), (4940, 1645976), (4960, 1639339), (5890, 1380496), (6448, 1261030), (6637, 1225120), (7657, 1061920), (7904, 1028735), (8060, 1008824), (9424, 862810), (9880, 822988), (11780, 690248), (12896, 630515), (13274, 612560), (15314, 530960), (16120, 504412), (18848, 431405), (19760, 411494), (23560, 345124), (26548, 306280), (30628, 265480), (32240, 252206), (33185, 245024), (38285, 212384), (39520, 205747), (47120, 172562), (53096, 153140), (61256, 132740), (64480, 126103), (66370, 122512), (76570, 106192), (86281, 94240)]