256494600

素因数分解:

$2^3\times 3^4\times 5^2\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:322

約数の個数: 240

約数和(自身を含む): 907441920

約数和(自身を除く): 650947320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 40, 45, 50, 54, 60, 71, 72, 75, 81, 90, 100, 108, 120, 135, 142, 150, 162, 180, 200, 213, 216, 223, 225, 270, 284, 300, 324, 355, 360, 405, 426, 446, 450, 540, 568, 600, 639, 648, 669, 675, 710, 810, 852, 892, 900, 1065, 1080, 1115, 1278, 1338, 1350, 1420, 1620, 1704, 1775, 1784, 1800, 1917, 2007, 2025, 2130, 2230, 2556, 2676, 2700, 2840, 3195, 3240, 3345, 3550, 3834, 4014, 4050, 4260, 4460, 5112, 5325, 5352, 5400, 5575, 5751, 6021, 6390, 6690, 7100, 7668, 8028, 8100, 8520, 8920, 9585, 10035, 10650, 11150, 11502, 12042, 12780, 13380, 14200, 15336, 15833, 15975, 16056, 16200, 16725, 18063, 19170, 20070, 21300, 22300, 23004, 24084, 25560, 26760, 28755, 30105, 31666, 31950, 33450, 36126, 38340, 40140, 42600, 44600, 46008, 47499, 47925, 48168, 50175, 57510, 60210, 63332, 63900, 66900, 72252, 76680, 79165, 80280, 90315, 94998, 95850, 100350, 115020, 120420, 126664, 127800, 133800, 142497, 143775, 144504, 150525, 158330, 180630, 189996, 191700, 200700, 230040, 237495, 240840, 284994, 287550, 301050, 316660, 361260, 379992, 383400, 395825, 401400, 427491, 451575, 474990, 569988, 575100, 602100, 633320, 712485, 722520, 791650, 854982, 903150, 949980, 1139976, 1150200, 1187475, 1204200, 1282473, 1424970, 1583300, 1709964, 1806300, 1899960, 2137455, 2374950, 2564946, 2849940, 3166600, 3419928, 3562425, 3612600, 4274910, 4749900, 5129892, 5699880, 6412365, 7124850, 8549820, 9499800, 10259784, 10687275, 12824730, 14249700, 17099640, 21374550, 25649460, 28499400, 32061825, 42749100, 51298920, 64123650, 85498200, 128247300, 256494600]

約数ペア:

[(1, 256494600), (2, 128247300), (3, 85498200), (4, 64123650), (5, 51298920), (6, 42749100), (8, 32061825), (9, 28499400), (10, 25649460), (12, 21374550), (15, 17099640), (18, 14249700), (20, 12824730), (24, 10687275), (25, 10259784), (27, 9499800), (30, 8549820), (36, 7124850), (40, 6412365), (45, 5699880), (50, 5129892), (54, 4749900), (60, 4274910), (71, 3612600), (72, 3562425), (75, 3419928), (81, 3166600), (90, 2849940), (100, 2564946), (108, 2374950), (120, 2137455), (135, 1899960), (142, 1806300), (150, 1709964), (162, 1583300), (180, 1424970), (200, 1282473), (213, 1204200), (216, 1187475), (223, 1150200), (225, 1139976), (270, 949980), (284, 903150), (300, 854982), (324, 791650), (355, 722520), (360, 712485), (405, 633320), (426, 602100), (446, 575100), (450, 569988), (540, 474990), (568, 451575), (600, 427491), (639, 401400), (648, 395825), (669, 383400), (675, 379992), (710, 361260), (810, 316660), (852, 301050), (892, 287550), (900, 284994), (1065, 240840), (1080, 237495), (1115, 230040), (1278, 200700), (1338, 191700), (1350, 189996), (1420, 180630), (1620, 158330), (1704, 150525), (1775, 144504), (1784, 143775), (1800, 142497), (1917, 133800), (2007, 127800), (2025, 126664), (2130, 120420), (2230, 115020), (2556, 100350), (2676, 95850), (2700, 94998), (2840, 90315), (3195, 80280), (3240, 79165), (3345, 76680), (3550, 72252), (3834, 66900), (4014, 63900), (4050, 63332), (4260, 60210), (4460, 57510), (5112, 50175), (5325, 48168), (5352, 47925), (5400, 47499), (5575, 46008), (5751, 44600), (6021, 42600), (6390, 40140), (6690, 38340), (7100, 36126), (7668, 33450), (8028, 31950), (8100, 31666), (8520, 30105), (8920, 28755), (9585, 26760), (10035, 25560), (10650, 24084), (11150, 23004), (11502, 22300), (12042, 21300), (12780, 20070), (13380, 19170), (14200, 18063), (15336, 16725), (15833, 16200), (15975, 16056)]