18760140

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{709}}^1$

素因数の和:741

約数の個数: 144

約数和(自身を含む): 67989600

約数和(自身を除く): 49229460

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, 709, 735, 756, 882, 945, 980, 1260, 1323, 1418, 1470, 1764, 1890, 2127, 2205, 2646, 2836, 2940, 3545, 3780, 4254, 4410, 4963, 5292, 6381, 6615, 7090, 8508, 8820, 9926, 10635, 12762, 13230, 14180, 14889, 19143, 19852, 21270, 24815, 25524, 26460, 29778, 31905, 34741, 38286, 42540, 44667, 49630, 59556, 63810, 69482, 74445, 76572, 89334, 95715, 99260, 104223, 127620, 134001, 138964, 148890, 173705, 178668, 191430, 208446, 223335, 268002, 297780, 312669, 347410, 382860, 416892, 446670, 521115, 536004, 625338, 670005, 694820, 893340, 938007, 1042230, 1250676, 1340010, 1563345, 1876014, 2084460, 2680020, 3126690, 3752028, 4690035, 6253380, 9380070, 18760140]

約数ペア:

[(1, 18760140), (2, 9380070), (3, 6253380), (4, 4690035), (5, 3752028), (6, 3126690), (7, 2680020), (9, 2084460), (10, 1876014), (12, 1563345), (14, 1340010), (15, 1250676), (18, 1042230), (20, 938007), (21, 893340), (27, 694820), (28, 670005), (30, 625338), (35, 536004), (36, 521115), (42, 446670), (45, 416892), (49, 382860), (54, 347410), (60, 312669), (63, 297780), (70, 268002), (84, 223335), (90, 208446), (98, 191430), (105, 178668), (108, 173705), (126, 148890), (135, 138964), (140, 134001), (147, 127620), (180, 104223), (189, 99260), (196, 95715), (210, 89334), (245, 76572), (252, 74445), (270, 69482), (294, 63810), (315, 59556), (378, 49630), (420, 44667), (441, 42540), (490, 38286), (540, 34741), (588, 31905), (630, 29778), (709, 26460), (735, 25524), (756, 24815), (882, 21270), (945, 19852), (980, 19143), (1260, 14889), (1323, 14180), (1418, 13230), (1470, 12762), (1764, 10635), (1890, 9926), (2127, 8820), (2205, 8508), (2646, 7090), (2836, 6615), (2940, 6381), (3545, 5292), (3780, 4963), (4254, 4410)]