1815054080

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{673}}^1$

素因数の和:751

約数の個数: 216

約数和(自身を含む): 5182741872

約数和(自身を除く): 3367687792

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 49, 56, 64, 70, 80, 86, 98, 112, 128, 140, 160, 172, 196, 215, 224, 245, 256, 280, 301, 320, 344, 392, 430, 448, 490, 560, 602, 640, 673, 688, 784, 860, 896, 980, 1120, 1204, 1280, 1346, 1376, 1505, 1568, 1720, 1792, 1960, 2107, 2240, 2408, 2692, 2752, 3010, 3136, 3365, 3440, 3920, 4214, 4480, 4711, 4816, 5384, 5504, 6020, 6272, 6730, 6880, 7840, 8428, 8960, 9422, 9632, 10535, 10768, 11008, 12040, 12544, 13460, 13760, 15680, 16856, 18844, 19264, 21070, 21536, 23555, 24080, 26920, 27520, 28939, 31360, 32977, 33712, 37688, 38528, 42140, 43072, 47110, 48160, 53840, 55040, 57878, 62720, 65954, 67424, 75376, 77056, 84280, 86144, 94220, 96320, 107680, 115756, 131908, 134848, 144695, 150752, 164885, 168560, 172288, 188440, 192640, 202573, 215360, 231512, 263816, 269696, 289390, 301504, 329770, 337120, 376880, 385280, 405146, 430720, 463024, 527632, 539392, 578780, 603008, 659540, 674240, 753760, 810292, 861440, 926048, 1012865, 1055264, 1157560, 1206016, 1319080, 1348480, 1418011, 1507520, 1620584, 1852096, 2025730, 2110528, 2315120, 2638160, 2696960, 2836022, 3015040, 3241168, 3704192, 4051460, 4221056, 4630240, 5276320, 5672044, 6030080, 6482336, 7090055, 7408384, 8102920, 8442112, 9260480, 10552640, 11344088, 12964672, 14180110, 16205840, 18520960, 21105280, 22688176, 25929344, 28360220, 32411680, 37041920, 42210560, 45376352, 51858688, 56720440, 64823360, 90752704, 113440880, 129646720, 181505408, 226881760, 259293440, 363010816, 453763520, 907527040, 1815054080]

約数ペア:

[(1, 1815054080), (2, 907527040), (4, 453763520), (5, 363010816), (7, 259293440), (8, 226881760), (10, 181505408), (14, 129646720), (16, 113440880), (20, 90752704), (28, 64823360), (32, 56720440), (35, 51858688), (40, 45376352), (43, 42210560), (49, 37041920), (56, 32411680), (64, 28360220), (70, 25929344), (80, 22688176), (86, 21105280), (98, 18520960), (112, 16205840), (128, 14180110), (140, 12964672), (160, 11344088), (172, 10552640), (196, 9260480), (215, 8442112), (224, 8102920), (245, 7408384), (256, 7090055), (280, 6482336), (301, 6030080), (320, 5672044), (344, 5276320), (392, 4630240), (430, 4221056), (448, 4051460), (490, 3704192), (560, 3241168), (602, 3015040), (640, 2836022), (673, 2696960), (688, 2638160), (784, 2315120), (860, 2110528), (896, 2025730), (980, 1852096), (1120, 1620584), (1204, 1507520), (1280, 1418011), (1346, 1348480), (1376, 1319080), (1505, 1206016), (1568, 1157560), (1720, 1055264), (1792, 1012865), (1960, 926048), (2107, 861440), (2240, 810292), (2408, 753760), (2692, 674240), (2752, 659540), (3010, 603008), (3136, 578780), (3365, 539392), (3440, 527632), (3920, 463024), (4214, 430720), (4480, 405146), (4711, 385280), (4816, 376880), (5384, 337120), (5504, 329770), (6020, 301504), (6272, 289390), (6730, 269696), (6880, 263816), (7840, 231512), (8428, 215360), (8960, 202573), (9422, 192640), (9632, 188440), (10535, 172288), (10768, 168560), (11008, 164885), (12040, 150752), (12544, 144695), (13460, 134848), (13760, 131908), (15680, 115756), (16856, 107680), (18844, 96320), (19264, 94220), (21070, 86144), (21536, 84280), (23555, 77056), (24080, 75376), (26920, 67424), (27520, 65954), (28939, 62720), (31360, 57878), (32977, 55040), (33712, 53840), (37688, 48160), (38528, 47110), (42140, 43072)]