71919680

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{331}}^1$

素因数の和:452

約数の個数: 112

約数和(自身を含む): 198339456

約数和(自身を除く): 126419776

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 97, 112, 140, 160, 194, 224, 280, 320, 331, 388, 448, 485, 560, 662, 679, 776, 970, 1120, 1324, 1358, 1552, 1655, 1940, 2240, 2317, 2648, 2716, 3104, 3310, 3395, 3880, 4634, 5296, 5432, 6208, 6620, 6790, 7760, 9268, 10592, 10864, 11585, 13240, 13580, 15520, 18536, 21184, 21728, 23170, 26480, 27160, 31040, 32107, 37072, 43456, 46340, 52960, 54320, 64214, 74144, 92680, 105920, 108640, 128428, 148288, 160535, 185360, 217280, 224749, 256856, 321070, 370720, 449498, 513712, 642140, 741440, 898996, 1027424, 1123745, 1284280, 1797992, 2054848, 2247490, 2568560, 3595984, 4494980, 5137120, 7191968, 8989960, 10274240, 14383936, 17979920, 35959840, 71919680]

約数ペア:

[(1, 71919680), (2, 35959840), (4, 17979920), (5, 14383936), (7, 10274240), (8, 8989960), (10, 7191968), (14, 5137120), (16, 4494980), (20, 3595984), (28, 2568560), (32, 2247490), (35, 2054848), (40, 1797992), (56, 1284280), (64, 1123745), (70, 1027424), (80, 898996), (97, 741440), (112, 642140), (140, 513712), (160, 449498), (194, 370720), (224, 321070), (280, 256856), (320, 224749), (331, 217280), (388, 185360), (448, 160535), (485, 148288), (560, 128428), (662, 108640), (679, 105920), (776, 92680), (970, 74144), (1120, 64214), (1324, 54320), (1358, 52960), (1552, 46340), (1655, 43456), (1940, 37072), (2240, 32107), (2317, 31040), (2648, 27160), (2716, 26480), (3104, 23170), (3310, 21728), (3395, 21184), (3880, 18536), (4634, 15520), (5296, 13580), (5432, 13240), (6208, 11585), (6620, 10864), (6790, 10592), (7760, 9268)]