123738840

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{211}}^1$

素因数の和:415

約数の個数: 160

約数和(自身を含む): 420179760

約数和(自身を除く): 296440920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 181, 211, 216, 270, 324, 360, 362, 405, 422, 540, 543, 633, 648, 724, 810, 844, 905, 1055, 1080, 1086, 1266, 1448, 1620, 1629, 1688, 1810, 1899, 2110, 2172, 2532, 2715, 3165, 3240, 3258, 3620, 3798, 4220, 4344, 4887, 5064, 5430, 5697, 6330, 6516, 7240, 7596, 8145, 8440, 9495, 9774, 10860, 11394, 12660, 13032, 14661, 15192, 16290, 17091, 18990, 19548, 21720, 22788, 24435, 25320, 28485, 29322, 32580, 34182, 37980, 38191, 39096, 45576, 48870, 56970, 58644, 65160, 68364, 73305, 75960, 76382, 85455, 97740, 113940, 114573, 117288, 136728, 146610, 152764, 170910, 190955, 195480, 227880, 229146, 293220, 305528, 341820, 343719, 381910, 458292, 572865, 586440, 683640, 687438, 763820, 916584, 1031157, 1145730, 1374876, 1527640, 1718595, 2062314, 2291460, 2749752, 3093471, 3437190, 4124628, 4582920, 5155785, 6186942, 6874380, 8249256, 10311570, 12373884, 13748760, 15467355, 20623140, 24747768, 30934710, 41246280, 61869420, 123738840]

約数ペア:

[(1, 123738840), (2, 61869420), (3, 41246280), (4, 30934710), (5, 24747768), (6, 20623140), (8, 15467355), (9, 13748760), (10, 12373884), (12, 10311570), (15, 8249256), (18, 6874380), (20, 6186942), (24, 5155785), (27, 4582920), (30, 4124628), (36, 3437190), (40, 3093471), (45, 2749752), (54, 2291460), (60, 2062314), (72, 1718595), (81, 1527640), (90, 1374876), (108, 1145730), (120, 1031157), (135, 916584), (162, 763820), (180, 687438), (181, 683640), (211, 586440), (216, 572865), (270, 458292), (324, 381910), (360, 343719), (362, 341820), (405, 305528), (422, 293220), (540, 229146), (543, 227880), (633, 195480), (648, 190955), (724, 170910), (810, 152764), (844, 146610), (905, 136728), (1055, 117288), (1080, 114573), (1086, 113940), (1266, 97740), (1448, 85455), (1620, 76382), (1629, 75960), (1688, 73305), (1810, 68364), (1899, 65160), (2110, 58644), (2172, 56970), (2532, 48870), (2715, 45576), (3165, 39096), (3240, 38191), (3258, 37980), (3620, 34182), (3798, 32580), (4220, 29322), (4344, 28485), (4887, 25320), (5064, 24435), (5430, 22788), (5697, 21720), (6330, 19548), (6516, 18990), (7240, 17091), (7596, 16290), (8145, 15192), (8440, 14661), (9495, 13032), (9774, 12660), (10860, 11394)]