128303840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1181}}^1$

素因数の和:1300

約数の個数: 96

約数和(自身を含む): 350288064

約数和(自身を除く): 221984224

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 97, 112, 140, 160, 194, 224, 280, 388, 485, 560, 679, 776, 970, 1120, 1181, 1358, 1552, 1940, 2362, 2716, 3104, 3395, 3880, 4724, 5432, 5905, 6790, 7760, 8267, 9448, 10864, 11810, 13580, 15520, 16534, 18896, 21728, 23620, 27160, 33068, 37792, 41335, 47240, 54320, 66136, 82670, 94480, 108640, 114557, 132272, 165340, 188960, 229114, 264544, 330680, 458228, 572785, 661360, 801899, 916456, 1145570, 1322720, 1603798, 1832912, 2291140, 3207596, 3665824, 4009495, 4582280, 6415192, 8018990, 9164560, 12830384, 16037980, 18329120, 25660768, 32075960, 64151920, 128303840]

約数ペア:

[(1, 128303840), (2, 64151920), (4, 32075960), (5, 25660768), (7, 18329120), (8, 16037980), (10, 12830384), (14, 9164560), (16, 8018990), (20, 6415192), (28, 4582280), (32, 4009495), (35, 3665824), (40, 3207596), (56, 2291140), (70, 1832912), (80, 1603798), (97, 1322720), (112, 1145570), (140, 916456), (160, 801899), (194, 661360), (224, 572785), (280, 458228), (388, 330680), (485, 264544), (560, 229114), (679, 188960), (776, 165340), (970, 132272), (1120, 114557), (1181, 108640), (1358, 94480), (1552, 82670), (1940, 66136), (2362, 54320), (2716, 47240), (3104, 41335), (3395, 37792), (3880, 33068), (4724, 27160), (5432, 23620), (5905, 21728), (6790, 18896), (7760, 16534), (8267, 15520), (9448, 13580), (10864, 11810)]