131331420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3491}}^1$

素因数の和:3536

約数の個数: 144

約数和(自身を含む): 457591680

約数和(自身を除く): 326260260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 30, 33, 36, 38, 44, 45, 55, 57, 60, 66, 76, 90, 95, 99, 110, 114, 132, 165, 171, 180, 190, 198, 209, 220, 228, 285, 330, 342, 380, 396, 418, 495, 570, 627, 660, 684, 836, 855, 990, 1045, 1140, 1254, 1710, 1881, 1980, 2090, 2508, 3135, 3420, 3491, 3762, 4180, 6270, 6982, 7524, 9405, 10473, 12540, 13964, 17455, 18810, 20946, 31419, 34910, 37620, 38401, 41892, 52365, 62838, 66329, 69820, 76802, 104730, 115203, 125676, 132658, 153604, 157095, 192005, 198987, 209460, 230406, 265316, 314190, 331645, 345609, 384010, 397974, 460812, 576015, 596961, 628380, 663290, 691218, 729619, 768020, 795948, 994935, 1152030, 1193922, 1326580, 1382436, 1459238, 1728045, 1989870, 2188857, 2304060, 2387844, 2918476, 2984805, 3456090, 3648095, 3979740, 4377714, 5969610, 6566571, 6912180, 7296190, 8755428, 10944285, 11939220, 13133142, 14592380, 21888570, 26266284, 32832855, 43777140, 65665710, 131331420]

約数ペア:

[(1, 131331420), (2, 65665710), (3, 43777140), (4, 32832855), (5, 26266284), (6, 21888570), (9, 14592380), (10, 13133142), (11, 11939220), (12, 10944285), (15, 8755428), (18, 7296190), (19, 6912180), (20, 6566571), (22, 5969610), (30, 4377714), (33, 3979740), (36, 3648095), (38, 3456090), (44, 2984805), (45, 2918476), (55, 2387844), (57, 2304060), (60, 2188857), (66, 1989870), (76, 1728045), (90, 1459238), (95, 1382436), (99, 1326580), (110, 1193922), (114, 1152030), (132, 994935), (165, 795948), (171, 768020), (180, 729619), (190, 691218), (198, 663290), (209, 628380), (220, 596961), (228, 576015), (285, 460812), (330, 397974), (342, 384010), (380, 345609), (396, 331645), (418, 314190), (495, 265316), (570, 230406), (627, 209460), (660, 198987), (684, 192005), (836, 157095), (855, 153604), (990, 132658), (1045, 125676), (1140, 115203), (1254, 104730), (1710, 76802), (1881, 69820), (1980, 66329), (2090, 62838), (2508, 52365), (3135, 41892), (3420, 38401), (3491, 37620), (3762, 34910), (4180, 31419), (6270, 20946), (6982, 18810), (7524, 17455), (9405, 13964), (10473, 12540)]