77918187520

素因数分解:

$2^{12}\times 5^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:235

約数の個数: 312

約数和(自身を含む): 200283317712

約数和(自身を除く): 122365130192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 37, 40, 62, 64, 74, 80, 107, 124, 128, 148, 155, 160, 185, 214, 248, 256, 296, 310, 320, 370, 428, 496, 512, 535, 592, 620, 640, 740, 856, 961, 992, 1024, 1070, 1147, 1184, 1240, 1280, 1480, 1712, 1922, 1984, 2048, 2140, 2294, 2368, 2480, 2560, 2960, 3317, 3424, 3844, 3959, 3968, 4096, 4280, 4588, 4736, 4805, 4960, 5120, 5735, 5920, 6634, 6848, 7688, 7918, 7936, 8560, 9176, 9472, 9610, 9920, 10240, 11470, 11840, 13268, 13696, 15376, 15836, 15872, 16585, 17120, 18352, 18944, 19220, 19795, 19840, 20480, 22940, 23680, 26536, 27392, 30752, 31672, 31744, 33170, 34240, 35557, 36704, 37888, 38440, 39590, 39680, 45880, 47360, 53072, 54784, 61504, 63344, 63488, 66340, 68480, 71114, 73408, 75776, 76880, 79180, 79360, 91760, 94720, 102827, 106144, 109568, 122729, 123008, 126688, 126976, 132680, 136960, 142228, 146816, 151552, 153760, 158360, 158720, 177785, 183520, 189440, 205654, 212288, 219136, 245458, 246016, 253376, 265360, 273920, 284456, 293632, 307520, 316720, 317440, 355570, 367040, 378880, 411308, 424576, 438272, 490916, 492032, 506752, 514135, 530720, 547840, 568912, 587264, 613645, 615040, 633440, 634880, 711140, 734080, 757760, 822616, 849152, 981832, 984064, 1013504, 1028270, 1061440, 1095680, 1137824, 1174528, 1227290, 1230080, 1266880, 1422280, 1468160, 1645232, 1698304, 1963664, 1968128, 2027008, 2056540, 2122880, 2191360, 2275648, 2349056, 2454580, 2460160, 2533760, 2844560, 2936320, 3290464, 3396608, 3804599, 3927328, 3936256, 4054016, 4113080, 4245760, 4551296, 4698112, 4909160, 4920320, 5067520, 5689120, 5872640, 6580928, 6793216, 7609198, 7854656, 8108032, 8226160, 8491520, 9102592, 9818320, 9840640, 10135040, 11378240, 11745280, 13161856, 13586432, 15218396, 15709312, 16216064, 16452320, 16983040, 18205184, 19022995, 19636640, 19681280, 20270080, 22756480, 23490560, 26323712, 30436792, 31418624, 32904640, 33966080, 36410368, 38045990, 39273280, 40540160, 45512960, 52647424, 60873584, 62837248, 65809280, 67932160, 72820736, 76091980, 78546560, 81080320, 91025920, 105294848, 121747168, 125674496, 131618560, 145641472, 152183960, 157093120, 182051840, 210589696, 243494336, 251348992, 263237120, 304367920, 314186240, 364103680, 421179392, 486988672, 502697984, 526474240, 608735840, 628372480, 728207360, 973977344, 1052948480, 1217471680, 1256744960, 1947954688, 2105896960, 2434943360, 2513489920, 3895909376, 4869886720, 7791818752, 9739773440, 15583637504, 19479546880, 38959093760, 77918187520]

約数ペア:

[(1, 77918187520), (2, 38959093760), (4, 19479546880), (5, 15583637504), (8, 9739773440), (10, 7791818752), (16, 4869886720), (20, 3895909376), (31, 2513489920), (32, 2434943360), (37, 2105896960), (40, 1947954688), (62, 1256744960), (64, 1217471680), (74, 1052948480), (80, 973977344), (107, 728207360), (124, 628372480), (128, 608735840), (148, 526474240), (155, 502697984), (160, 486988672), (185, 421179392), (214, 364103680), (248, 314186240), (256, 304367920), (296, 263237120), (310, 251348992), (320, 243494336), (370, 210589696), (428, 182051840), (496, 157093120), (512, 152183960), (535, 145641472), (592, 131618560), (620, 125674496), (640, 121747168), (740, 105294848), (856, 91025920), (961, 81080320), (992, 78546560), (1024, 76091980), (1070, 72820736), (1147, 67932160), (1184, 65809280), (1240, 62837248), (1280, 60873584), (1480, 52647424), (1712, 45512960), (1922, 40540160), (1984, 39273280), (2048, 38045990), (2140, 36410368), (2294, 33966080), (2368, 32904640), (2480, 31418624), (2560, 30436792), (2960, 26323712), (3317, 23490560), (3424, 22756480), (3844, 20270080), (3959, 19681280), (3968, 19636640), (4096, 19022995), (4280, 18205184), (4588, 16983040), (4736, 16452320), (4805, 16216064), (4960, 15709312), (5120, 15218396), (5735, 13586432), (5920, 13161856), (6634, 11745280), (6848, 11378240), (7688, 10135040), (7918, 9840640), (7936, 9818320), (8560, 9102592), (9176, 8491520), (9472, 8226160), (9610, 8108032), (9920, 7854656), (10240, 7609198), (11470, 6793216), (11840, 6580928), (13268, 5872640), (13696, 5689120), (15376, 5067520), (15836, 4920320), (15872, 4909160), (16585, 4698112), (17120, 4551296), (18352, 4245760), (18944, 4113080), (19220, 4054016), (19795, 3936256), (19840, 3927328), (20480, 3804599), (22940, 3396608), (23680, 3290464), (26536, 2936320), (27392, 2844560), (30752, 2533760), (31672, 2460160), (31744, 2454580), (33170, 2349056), (34240, 2275648), (35557, 2191360), (36704, 2122880), (37888, 2056540), (38440, 2027008), (39590, 1968128), (39680, 1963664), (45880, 1698304), (47360, 1645232), (53072, 1468160), (54784, 1422280), (61504, 1266880), (63344, 1230080), (63488, 1227290), (66340, 1174528), (68480, 1137824), (71114, 1095680), (73408, 1061440), (75776, 1028270), (76880, 1013504), (79180, 984064), (79360, 981832), (91760, 849152), (94720, 822616), (102827, 757760), (106144, 734080), (109568, 711140), (122729, 634880), (123008, 633440), (126688, 615040), (126976, 613645), (132680, 587264), (136960, 568912), (142228, 547840), (146816, 530720), (151552, 514135), (153760, 506752), (158360, 492032), (158720, 490916), (177785, 438272), (183520, 424576), (189440, 411308), (205654, 378880), (212288, 367040), (219136, 355570), (245458, 317440), (246016, 316720), (253376, 307520), (265360, 293632), (273920, 284456)]