74890620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^3\times {\mathrm{1213}}^1$

素因数の和:1249

約数の個数: 144

約数和(自身を含む): 265137600

約数和(自身を除く): 190246980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 343, 420, 441, 490, 588, 630, 686, 735, 882, 980, 1029, 1213, 1260, 1372, 1470, 1715, 1764, 2058, 2205, 2426, 2940, 3087, 3430, 3639, 4116, 4410, 4852, 5145, 6065, 6174, 6860, 7278, 8491, 8820, 10290, 10917, 12130, 12348, 14556, 15435, 16982, 18195, 20580, 21834, 24260, 25473, 30870, 33964, 36390, 42455, 43668, 50946, 54585, 59437, 61740, 72780, 76419, 84910, 101892, 109170, 118874, 127365, 152838, 169820, 178311, 218340, 237748, 254730, 297185, 305676, 356622, 382095, 416059, 509460, 534933, 594370, 713244, 764190, 832118, 891555, 1069866, 1188740, 1248177, 1528380, 1664236, 1783110, 2080295, 2139732, 2496354, 2674665, 3566220, 3744531, 4160590, 4992708, 5349330, 6240885, 7489062, 8321180, 10698660, 12481770, 14978124, 18722655, 24963540, 37445310, 74890620]

約数ペア:

[(1, 74890620), (2, 37445310), (3, 24963540), (4, 18722655), (5, 14978124), (6, 12481770), (7, 10698660), (9, 8321180), (10, 7489062), (12, 6240885), (14, 5349330), (15, 4992708), (18, 4160590), (20, 3744531), (21, 3566220), (28, 2674665), (30, 2496354), (35, 2139732), (36, 2080295), (42, 1783110), (45, 1664236), (49, 1528380), (60, 1248177), (63, 1188740), (70, 1069866), (84, 891555), (90, 832118), (98, 764190), (105, 713244), (126, 594370), (140, 534933), (147, 509460), (180, 416059), (196, 382095), (210, 356622), (245, 305676), (252, 297185), (294, 254730), (315, 237748), (343, 218340), (420, 178311), (441, 169820), (490, 152838), (588, 127365), (630, 118874), (686, 109170), (735, 101892), (882, 84910), (980, 76419), (1029, 72780), (1213, 61740), (1260, 59437), (1372, 54585), (1470, 50946), (1715, 43668), (1764, 42455), (2058, 36390), (2205, 33964), (2426, 30870), (2940, 25473), (3087, 24260), (3430, 21834), (3639, 20580), (4116, 18195), (4410, 16982), (4852, 15435), (5145, 14556), (6065, 12348), (6174, 12130), (6860, 10917), (7278, 10290), (8491, 8820)]