638503789680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{709}}^1\times {\mathrm{2971}}^1$

素因数の和:4120

約数の個数: 240

約数和(自身を含む): 2153158007520

約数和(自身を除く): 1514654217840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 421, 709, 720, 842, 1263, 1418, 1684, 2105, 2127, 2526, 2836, 2971, 3368, 3545, 3789, 4210, 4254, 5052, 5672, 5942, 6315, 6381, 6736, 7090, 7578, 8420, 8508, 8913, 10104, 10635, 11344, 11884, 12630, 12762, 14180, 14855, 15156, 16840, 17016, 17826, 18945, 20208, 21270, 23768, 25260, 25524, 26739, 28360, 29710, 30312, 31905, 33680, 34032, 35652, 37890, 42540, 44565, 47536, 50520, 51048, 53478, 56720, 59420, 60624, 63810, 71304, 75780, 85080, 89130, 101040, 102096, 106956, 118840, 127620, 133695, 142608, 151560, 170160, 178260, 213912, 237680, 255240, 267390, 298489, 303120, 356520, 427824, 510480, 534780, 596978, 713040, 895467, 1069560, 1193956, 1250791, 1492445, 1790934, 2106439, 2139120, 2387912, 2501582, 2686401, 2984890, 3581868, 3752373, 4212878, 4477335, 4775824, 5003164, 5372802, 5969780, 6253955, 6319317, 7163736, 7504746, 8425756, 8954670, 10006328, 10532195, 10745604, 11257119, 11939560, 12507910, 12638634, 13432005, 14327472, 15009492, 16851512, 17909340, 18761865, 18957951, 20012656, 21064390, 21491208, 22514238, 23879120, 25015820, 25277268, 26864010, 30018984, 31596585, 33703024, 35818680, 37523730, 37915902, 42128780, 42982416, 45028476, 50031640, 50554536, 53728020, 56285595, 60037968, 63193170, 71637360, 75047460, 75831804, 84257560, 90056952, 94789755, 100063280, 101109072, 107456040, 112571190, 126386340, 150094920, 151663608, 168515120, 180113904, 189579510, 214912080, 225142380, 252772680, 300189840, 303327216, 379159020, 450284760, 505545360, 758318040, 886810819, 900569520, 1516636080, 1773621638, 2660432457, 3547243276, 4434054095, 5320864914, 7094486552, 7981297371, 8868108190, 10641729828, 13302162285, 14188973104, 15962594742, 17736216380, 21283459656, 26604324570, 31925189484, 35472432760, 39906486855, 42566919312, 53208649140, 63850378968, 70944865520, 79812973710, 106417298280, 127700757936, 159625947420, 212834596560, 319251894840, 638503789680]

約数ペア:

[(1, 638503789680), (2, 319251894840), (3, 212834596560), (4, 159625947420), (5, 127700757936), (6, 106417298280), (8, 79812973710), (9, 70944865520), (10, 63850378968), (12, 53208649140), (15, 42566919312), (16, 39906486855), (18, 35472432760), (20, 31925189484), (24, 26604324570), (30, 21283459656), (36, 17736216380), (40, 15962594742), (45, 14188973104), (48, 13302162285), (60, 10641729828), (72, 8868108190), (80, 7981297371), (90, 7094486552), (120, 5320864914), (144, 4434054095), (180, 3547243276), (240, 2660432457), (360, 1773621638), (421, 1516636080), (709, 900569520), (720, 886810819), (842, 758318040), (1263, 505545360), (1418, 450284760), (1684, 379159020), (2105, 303327216), (2127, 300189840), (2526, 252772680), (2836, 225142380), (2971, 214912080), (3368, 189579510), (3545, 180113904), (3789, 168515120), (4210, 151663608), (4254, 150094920), (5052, 126386340), (5672, 112571190), (5942, 107456040), (6315, 101109072), (6381, 100063280), (6736, 94789755), (7090, 90056952), (7578, 84257560), (8420, 75831804), (8508, 75047460), (8913, 71637360), (10104, 63193170), (10635, 60037968), (11344, 56285595), (11884, 53728020), (12630, 50554536), (12762, 50031640), (14180, 45028476), (14855, 42982416), (15156, 42128780), (16840, 37915902), (17016, 37523730), (17826, 35818680), (18945, 33703024), (20208, 31596585), (21270, 30018984), (23768, 26864010), (25260, 25277268), (25524, 25015820), (26739, 23879120), (28360, 22514238), (29710, 21491208), (30312, 21064390), (31905, 20012656), (33680, 18957951), (34032, 18761865), (35652, 17909340), (37890, 16851512), (42540, 15009492), (44565, 14327472), (47536, 13432005), (50520, 12638634), (51048, 12507910), (53478, 11939560), (56720, 11257119), (59420, 10745604), (60624, 10532195), (63810, 10006328), (71304, 8954670), (75780, 8425756), (85080, 7504746), (89130, 7163736), (101040, 6319317), (102096, 6253955), (106956, 5969780), (118840, 5372802), (127620, 5003164), (133695, 4775824), (142608, 4477335), (151560, 4212878), (170160, 3752373), (178260, 3581868), (213912, 2984890), (237680, 2686401), (255240, 2501582), (267390, 2387912), (298489, 2139120), (303120, 2106439), (356520, 1790934), (427824, 1492445), (510480, 1250791), (534780, 1193956), (596978, 1069560), (713040, 895467)]