262721340

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{9929}}^1$

素因数の和:9961

約数の個数: 144

約数和(自身を含む): 950896800

約数和(自身を除く): 688175460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 378, 420, 441, 490, 540, 588, 630, 735, 756, 882, 945, 980, 1260, 1323, 1470, 1764, 1890, 2205, 2646, 2940, 3780, 4410, 5292, 6615, 8820, 9929, 13230, 19858, 26460, 29787, 39716, 49645, 59574, 69503, 89361, 99290, 119148, 139006, 148935, 178722, 198580, 208509, 268083, 278012, 297870, 347515, 357444, 417018, 446805, 486521, 536166, 595740, 625527, 695030, 834036, 893610, 973042, 1042545, 1072332, 1251054, 1340415, 1390060, 1459563, 1787220, 1876581, 1946084, 2085090, 2432605, 2502108, 2680830, 2919126, 3127635, 3753162, 4170180, 4378689, 4865210, 5361660, 5838252, 6255270, 7297815, 7506324, 8757378, 9382905, 9730420, 12510540, 13136067, 14595630, 17514756, 18765810, 21893445, 26272134, 29191260, 37531620, 43786890, 52544268, 65680335, 87573780, 131360670, 262721340]

約数ペア:

[(1, 262721340), (2, 131360670), (3, 87573780), (4, 65680335), (5, 52544268), (6, 43786890), (7, 37531620), (9, 29191260), (10, 26272134), (12, 21893445), (14, 18765810), (15, 17514756), (18, 14595630), (20, 13136067), (21, 12510540), (27, 9730420), (28, 9382905), (30, 8757378), (35, 7506324), (36, 7297815), (42, 6255270), (45, 5838252), (49, 5361660), (54, 4865210), (60, 4378689), (63, 4170180), (70, 3753162), (84, 3127635), (90, 2919126), (98, 2680830), (105, 2502108), (108, 2432605), (126, 2085090), (135, 1946084), (140, 1876581), (147, 1787220), (180, 1459563), (189, 1390060), (196, 1340415), (210, 1251054), (245, 1072332), (252, 1042545), (270, 973042), (294, 893610), (315, 834036), (378, 695030), (420, 625527), (441, 595740), (490, 536166), (540, 486521), (588, 446805), (630, 417018), (735, 357444), (756, 347515), (882, 297870), (945, 278012), (980, 268083), (1260, 208509), (1323, 198580), (1470, 178722), (1764, 148935), (1890, 139006), (2205, 119148), (2646, 99290), (2940, 89361), (3780, 69503), (4410, 59574), (5292, 49645), (6615, 39716), (8820, 29787), (9929, 26460), (13230, 19858)]