255718980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:295

約数の個数: 216

約数和(自身を含む): 871416000

約数和(自身を除く): 615697020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 59, 60, 66, 90, 99, 110, 118, 121, 132, 165, 177, 180, 198, 199, 220, 236, 242, 295, 330, 354, 363, 396, 398, 484, 495, 531, 590, 597, 605, 649, 660, 708, 726, 796, 885, 990, 995, 1062, 1089, 1180, 1194, 1210, 1298, 1452, 1770, 1791, 1815, 1947, 1980, 1990, 2124, 2178, 2189, 2388, 2420, 2596, 2655, 2985, 3245, 3540, 3582, 3630, 3894, 3980, 4356, 4378, 5310, 5445, 5841, 5970, 6490, 6567, 7139, 7164, 7260, 7788, 8756, 8955, 9735, 10620, 10890, 10945, 11682, 11741, 11940, 12980, 13134, 14278, 17910, 19470, 19701, 21417, 21780, 21890, 23364, 23482, 24079, 26268, 28556, 29205, 32835, 35223, 35695, 35820, 38940, 39402, 42834, 43780, 46964, 48158, 58410, 58705, 64251, 65670, 70446, 71390, 72237, 78804, 85668, 96316, 98505, 105669, 107085, 116820, 117410, 120395, 128502, 129151, 131340, 140892, 142780, 144474, 176115, 197010, 211338, 214170, 216711, 234820, 240790, 257004, 258302, 288948, 321255, 352230, 361185, 387453, 394020, 422676, 428340, 433422, 481580, 516604, 528345, 642510, 645755, 704460, 722370, 774906, 866844, 1056690, 1083555, 1162359, 1285020, 1291510, 1420661, 1444740, 1549812, 1937265, 2113380, 2167110, 2324718, 2583020, 2841322, 3874530, 4261983, 4334220, 4649436, 5682644, 5811795, 7103305, 7749060, 8523966, 11623590, 12785949, 14206610, 17047932, 21309915, 23247180, 25571898, 28413220, 42619830, 51143796, 63929745, 85239660, 127859490, 255718980]

約数ペア:

[(1, 255718980), (2, 127859490), (3, 85239660), (4, 63929745), (5, 51143796), (6, 42619830), (9, 28413220), (10, 25571898), (11, 23247180), (12, 21309915), (15, 17047932), (18, 14206610), (20, 12785949), (22, 11623590), (30, 8523966), (33, 7749060), (36, 7103305), (44, 5811795), (45, 5682644), (55, 4649436), (59, 4334220), (60, 4261983), (66, 3874530), (90, 2841322), (99, 2583020), (110, 2324718), (118, 2167110), (121, 2113380), (132, 1937265), (165, 1549812), (177, 1444740), (180, 1420661), (198, 1291510), (199, 1285020), (220, 1162359), (236, 1083555), (242, 1056690), (295, 866844), (330, 774906), (354, 722370), (363, 704460), (396, 645755), (398, 642510), (484, 528345), (495, 516604), (531, 481580), (590, 433422), (597, 428340), (605, 422676), (649, 394020), (660, 387453), (708, 361185), (726, 352230), (796, 321255), (885, 288948), (990, 258302), (995, 257004), (1062, 240790), (1089, 234820), (1180, 216711), (1194, 214170), (1210, 211338), (1298, 197010), (1452, 176115), (1770, 144474), (1791, 142780), (1815, 140892), (1947, 131340), (1980, 129151), (1990, 128502), (2124, 120395), (2178, 117410), (2189, 116820), (2388, 107085), (2420, 105669), (2596, 98505), (2655, 96316), (2985, 85668), (3245, 78804), (3540, 72237), (3582, 71390), (3630, 70446), (3894, 65670), (3980, 64251), (4356, 58705), (4378, 58410), (5310, 48158), (5445, 46964), (5841, 43780), (5970, 42834), (6490, 39402), (6567, 38940), (7139, 35820), (7164, 35695), (7260, 35223), (7788, 32835), (8756, 29205), (8955, 28556), (9735, 26268), (10620, 24079), (10890, 23482), (10945, 23364), (11682, 21890), (11741, 21780), (11940, 21417), (12980, 19701), (13134, 19470), (14278, 17910)]