1921384960

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{71}}^1$

素因数の和:167

約数の個数: 240

約数和(自身を含む): 5266109376

約数和(自身を除く): 3344724416

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 71, 80, 88, 110, 124, 128, 142, 155, 160, 176, 220, 248, 256, 284, 310, 320, 341, 352, 355, 440, 496, 512, 568, 620, 640, 682, 704, 710, 781, 880, 961, 992, 1136, 1240, 1280, 1364, 1408, 1420, 1562, 1705, 1760, 1922, 1984, 2201, 2272, 2480, 2560, 2728, 2816, 2840, 3124, 3410, 3520, 3844, 3905, 3968, 4402, 4544, 4805, 4960, 5456, 5632, 5680, 6248, 6820, 7040, 7688, 7810, 7936, 8804, 9088, 9610, 9920, 10571, 10912, 11005, 11360, 12496, 13640, 14080, 15376, 15620, 15872, 17608, 18176, 19220, 19840, 21142, 21824, 22010, 22720, 24211, 24992, 27280, 28160, 30752, 31240, 35216, 36352, 38440, 39680, 42284, 43648, 44020, 45440, 48422, 49984, 52855, 54560, 61504, 62480, 68231, 70432, 76880, 79360, 84568, 87296, 88040, 90880, 96844, 99968, 105710, 109120, 121055, 123008, 124960, 136462, 140864, 153760, 169136, 174592, 176080, 181760, 193688, 199936, 211420, 218240, 242110, 246016, 249920, 272924, 281728, 307520, 338272, 341155, 352160, 387376, 399872, 422840, 436480, 484220, 492032, 499840, 545848, 563456, 615040, 676544, 682310, 704320, 750541, 774752, 845680, 872960, 968440, 999680, 1091696, 1126912, 1230080, 1353088, 1364620, 1408640, 1501082, 1549504, 1691360, 1936880, 1999360, 2183392, 2460160, 2706176, 2729240, 2817280, 3002164, 3099008, 3382720, 3752705, 3873760, 4366784, 5412352, 5458480, 5634560, 6004328, 6198016, 6765440, 7505410, 7747520, 8733568, 10916960, 12008656, 12396032, 13530880, 15010820, 15495040, 17467136, 21833920, 24017312, 27061760, 30021640, 30990080, 34934272, 43667840, 48034624, 60043280, 61980160, 87335680, 96069248, 120086560, 174671360, 192138496, 240173120, 384276992, 480346240, 960692480, 1921384960]

約数ペア:

[(1, 1921384960), (2, 960692480), (4, 480346240), (5, 384276992), (8, 240173120), (10, 192138496), (11, 174671360), (16, 120086560), (20, 96069248), (22, 87335680), (31, 61980160), (32, 60043280), (40, 48034624), (44, 43667840), (55, 34934272), (62, 30990080), (64, 30021640), (71, 27061760), (80, 24017312), (88, 21833920), (110, 17467136), (124, 15495040), (128, 15010820), (142, 13530880), (155, 12396032), (160, 12008656), (176, 10916960), (220, 8733568), (248, 7747520), (256, 7505410), (284, 6765440), (310, 6198016), (320, 6004328), (341, 5634560), (352, 5458480), (355, 5412352), (440, 4366784), (496, 3873760), (512, 3752705), (568, 3382720), (620, 3099008), (640, 3002164), (682, 2817280), (704, 2729240), (710, 2706176), (781, 2460160), (880, 2183392), (961, 1999360), (992, 1936880), (1136, 1691360), (1240, 1549504), (1280, 1501082), (1364, 1408640), (1408, 1364620), (1420, 1353088), (1562, 1230080), (1705, 1126912), (1760, 1091696), (1922, 999680), (1984, 968440), (2201, 872960), (2272, 845680), (2480, 774752), (2560, 750541), (2728, 704320), (2816, 682310), (2840, 676544), (3124, 615040), (3410, 563456), (3520, 545848), (3844, 499840), (3905, 492032), (3968, 484220), (4402, 436480), (4544, 422840), (4805, 399872), (4960, 387376), (5456, 352160), (5632, 341155), (5680, 338272), (6248, 307520), (6820, 281728), (7040, 272924), (7688, 249920), (7810, 246016), (7936, 242110), (8804, 218240), (9088, 211420), (9610, 199936), (9920, 193688), (10571, 181760), (10912, 176080), (11005, 174592), (11360, 169136), (12496, 153760), (13640, 140864), (14080, 136462), (15376, 124960), (15620, 123008), (15872, 121055), (17608, 109120), (18176, 105710), (19220, 99968), (19840, 96844), (21142, 90880), (21824, 88040), (22010, 87296), (22720, 84568), (24211, 79360), (24992, 76880), (27280, 70432), (28160, 68231), (30752, 62480), (31240, 61504), (35216, 54560), (36352, 52855), (38440, 49984), (39680, 48422), (42284, 45440), (43648, 44020)]