1649781120

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{421}}^1$

素因数の和:613

約数の個数: 256

約数和(自身を含む): 5712799680

約数和(自身を除く): 4063018560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 157, 160, 192, 195, 208, 240, 260, 312, 314, 320, 384, 390, 416, 421, 471, 480, 520, 624, 628, 640, 780, 785, 832, 842, 942, 960, 1040, 1248, 1256, 1263, 1560, 1570, 1664, 1684, 1884, 1920, 2041, 2080, 2105, 2355, 2496, 2512, 2526, 3120, 3140, 3368, 3768, 4082, 4160, 4210, 4710, 4992, 5024, 5052, 5473, 6123, 6240, 6280, 6315, 6736, 7536, 8164, 8320, 8420, 9420, 10048, 10104, 10205, 10946, 12246, 12480, 12560, 12630, 13472, 15072, 16328, 16419, 16840, 18840, 20096, 20208, 20410, 21892, 24492, 24960, 25120, 25260, 26944, 27365, 30144, 30615, 32656, 32838, 33680, 37680, 40416, 40820, 43784, 48984, 50240, 50520, 53888, 54730, 60288, 61230, 65312, 65676, 66097, 67360, 75360, 80832, 81640, 82095, 87568, 97968, 100480, 101040, 109460, 122460, 130624, 131352, 132194, 134720, 150720, 161664, 163280, 164190, 175136, 195936, 198291, 202080, 218920, 244920, 261248, 262704, 264388, 269440, 301440, 326560, 328380, 330485, 350272, 391872, 396582, 404160, 437840, 489840, 525408, 528776, 653120, 656760, 660970, 700544, 783744, 793164, 808320, 859261, 875680, 979680, 991455, 1050816, 1057552, 1306240, 1313520, 1321940, 1586328, 1718522, 1751360, 1959360, 1982910, 2101632, 2115104, 2577783, 2627040, 2643880, 3172656, 3437044, 3502720, 3918720, 3965820, 4230208, 4296305, 5155566, 5254080, 5287760, 6345312, 6874088, 7931640, 8460416, 8592610, 10311132, 10508160, 10575520, 12690624, 12888915, 13748176, 15863280, 17185220, 20622264, 21151040, 25381248, 25777830, 27496352, 31726560, 34370440, 41244528, 42302080, 51555660, 54992704, 63453120, 68740880, 82489056, 103111320, 109985408, 126906240, 137481760, 164978112, 206222640, 274963520, 329956224, 412445280, 549927040, 824890560, 1649781120]

約数ペア:

[(1, 1649781120), (2, 824890560), (3, 549927040), (4, 412445280), (5, 329956224), (6, 274963520), (8, 206222640), (10, 164978112), (12, 137481760), (13, 126906240), (15, 109985408), (16, 103111320), (20, 82489056), (24, 68740880), (26, 63453120), (30, 54992704), (32, 51555660), (39, 42302080), (40, 41244528), (48, 34370440), (52, 31726560), (60, 27496352), (64, 25777830), (65, 25381248), (78, 21151040), (80, 20622264), (96, 17185220), (104, 15863280), (120, 13748176), (128, 12888915), (130, 12690624), (156, 10575520), (157, 10508160), (160, 10311132), (192, 8592610), (195, 8460416), (208, 7931640), (240, 6874088), (260, 6345312), (312, 5287760), (314, 5254080), (320, 5155566), (384, 4296305), (390, 4230208), (416, 3965820), (421, 3918720), (471, 3502720), (480, 3437044), (520, 3172656), (624, 2643880), (628, 2627040), (640, 2577783), (780, 2115104), (785, 2101632), (832, 1982910), (842, 1959360), (942, 1751360), (960, 1718522), (1040, 1586328), (1248, 1321940), (1256, 1313520), (1263, 1306240), (1560, 1057552), (1570, 1050816), (1664, 991455), (1684, 979680), (1884, 875680), (1920, 859261), (2041, 808320), (2080, 793164), (2105, 783744), (2355, 700544), (2496, 660970), (2512, 656760), (2526, 653120), (3120, 528776), (3140, 525408), (3368, 489840), (3768, 437840), (4082, 404160), (4160, 396582), (4210, 391872), (4710, 350272), (4992, 330485), (5024, 328380), (5052, 326560), (5473, 301440), (6123, 269440), (6240, 264388), (6280, 262704), (6315, 261248), (6736, 244920), (7536, 218920), (8164, 202080), (8320, 198291), (8420, 195936), (9420, 175136), (10048, 164190), (10104, 163280), (10205, 161664), (10946, 150720), (12246, 134720), (12480, 132194), (12560, 131352), (12630, 130624), (13472, 122460), (15072, 109460), (16328, 101040), (16419, 100480), (16840, 97968), (18840, 87568), (20096, 82095), (20208, 81640), (20410, 80832), (21892, 75360), (24492, 67360), (24960, 66097), (25120, 65676), (25260, 65312), (26944, 61230), (27365, 60288), (30144, 54730), (30615, 53888), (32656, 50520), (32838, 50240), (33680, 48984), (37680, 43784), (40416, 40820)]