4256920720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{179}}^1\times {\mathrm{1759}}^1$

素因数の和:1977

約数の個数: 120

約数和(自身を含む): 10783238400

約数和(自身を除く): 6526317680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 179, 208, 260, 338, 358, 520, 676, 716, 845, 895, 1040, 1352, 1432, 1690, 1759, 1790, 2327, 2704, 2864, 3380, 3518, 3580, 4654, 6760, 7036, 7160, 8795, 9308, 11635, 13520, 14072, 14320, 17590, 18616, 22867, 23270, 28144, 30251, 35180, 37232, 45734, 46540, 60502, 70360, 91468, 93080, 114335, 121004, 140720, 151255, 182936, 186160, 228670, 242008, 297271, 302510, 314861, 365872, 457340, 484016, 594542, 605020, 629722, 914680, 1189084, 1210040, 1259444, 1486355, 1574305, 1829360, 2378168, 2420080, 2518888, 2972710, 3148610, 4093193, 4756336, 5037776, 5945420, 6297220, 8186386, 11890840, 12594440, 16372772, 20465965, 23781680, 25188880, 32745544, 40931930, 53211509, 65491088, 81863860, 106423018, 163727720, 212846036, 266057545, 327455440, 425692072, 532115090, 851384144, 1064230180, 2128460360, 4256920720]

約数ペア:

[(1, 4256920720), (2, 2128460360), (4, 1064230180), (5, 851384144), (8, 532115090), (10, 425692072), (13, 327455440), (16, 266057545), (20, 212846036), (26, 163727720), (40, 106423018), (52, 81863860), (65, 65491088), (80, 53211509), (104, 40931930), (130, 32745544), (169, 25188880), (179, 23781680), (208, 20465965), (260, 16372772), (338, 12594440), (358, 11890840), (520, 8186386), (676, 6297220), (716, 5945420), (845, 5037776), (895, 4756336), (1040, 4093193), (1352, 3148610), (1432, 2972710), (1690, 2518888), (1759, 2420080), (1790, 2378168), (2327, 1829360), (2704, 1574305), (2864, 1486355), (3380, 1259444), (3518, 1210040), (3580, 1189084), (4654, 914680), (6760, 629722), (7036, 605020), (7160, 594542), (8795, 484016), (9308, 457340), (11635, 365872), (13520, 314861), (14072, 302510), (14320, 297271), (17590, 242008), (18616, 228670), (22867, 186160), (23270, 182936), (28144, 151255), (30251, 140720), (35180, 121004), (37232, 114335), (45734, 93080), (46540, 91468), (60502, 70360)]