780656880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1\times {\mathrm{331}}^1$

素因数の和:695

約数の個数: 160

約数和(自身を含む): 2513553408

約数和(自身を除く): 1732896528

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 317, 331, 372, 465, 496, 620, 634, 662, 744, 930, 951, 993, 1240, 1268, 1324, 1488, 1585, 1655, 1860, 1902, 1986, 2480, 2536, 2648, 3170, 3310, 3720, 3804, 3972, 4755, 4965, 5072, 5296, 6340, 6620, 7440, 7608, 7944, 9510, 9827, 9930, 10261, 12680, 13240, 15216, 15888, 19020, 19654, 19860, 20522, 25360, 26480, 29481, 30783, 38040, 39308, 39720, 41044, 49135, 51305, 58962, 61566, 76080, 78616, 79440, 82088, 98270, 102610, 104927, 117924, 123132, 147405, 153915, 157232, 164176, 196540, 205220, 209854, 235848, 246264, 294810, 307830, 314781, 393080, 410440, 419708, 471696, 492528, 524635, 589620, 615660, 629562, 786160, 820880, 839416, 1049270, 1179240, 1231320, 1259124, 1573905, 1678832, 2098540, 2358480, 2462640, 2518248, 3147810, 3252737, 4197080, 5036496, 6295620, 6505474, 8394160, 9758211, 12591240, 13010948, 16263685, 19516422, 25182480, 26021896, 32527370, 39032844, 48791055, 52043792, 65054740, 78065688, 97582110, 130109480, 156131376, 195164220, 260218960, 390328440, 780656880]

約数ペア:

[(1, 780656880), (2, 390328440), (3, 260218960), (4, 195164220), (5, 156131376), (6, 130109480), (8, 97582110), (10, 78065688), (12, 65054740), (15, 52043792), (16, 48791055), (20, 39032844), (24, 32527370), (30, 26021896), (31, 25182480), (40, 19516422), (48, 16263685), (60, 13010948), (62, 12591240), (80, 9758211), (93, 8394160), (120, 6505474), (124, 6295620), (155, 5036496), (186, 4197080), (240, 3252737), (248, 3147810), (310, 2518248), (317, 2462640), (331, 2358480), (372, 2098540), (465, 1678832), (496, 1573905), (620, 1259124), (634, 1231320), (662, 1179240), (744, 1049270), (930, 839416), (951, 820880), (993, 786160), (1240, 629562), (1268, 615660), (1324, 589620), (1488, 524635), (1585, 492528), (1655, 471696), (1860, 419708), (1902, 410440), (1986, 393080), (2480, 314781), (2536, 307830), (2648, 294810), (3170, 246264), (3310, 235848), (3720, 209854), (3804, 205220), (3972, 196540), (4755, 164176), (4965, 157232), (5072, 153915), (5296, 147405), (6340, 123132), (6620, 117924), (7440, 104927), (7608, 102610), (7944, 98270), (9510, 82088), (9827, 79440), (9930, 78616), (10261, 76080), (12680, 61566), (13240, 58962), (15216, 51305), (15888, 49135), (19020, 41044), (19654, 39720), (19860, 39308), (20522, 38040), (25360, 30783), (26480, 29481)]