128955680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1187}}^1$

素因数の和:1306

約数の個数: 96

約数和(自身を含む): 352066176

約数和(自身を除く): 223110496

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, 1187, 1358, 1552, 1940, 2374, 2716, 3104, 3395, 3880, 4748, 5432, 5935, 6790, 7760, 8309, 9496, 10864, 11870, 13580, 15520, 16618, 18992, 21728, 23740, 27160, 33236, 37984, 41545, 47480, 54320, 66472, 83090, 94960, 108640, 115139, 132944, 166180, 189920, 230278, 265888, 332360, 460556, 575695, 664720, 805973, 921112, 1151390, 1329440, 1611946, 1842224, 2302780, 3223892, 3684448, 4029865, 4605560, 6447784, 8059730, 9211120, 12895568, 16119460, 18422240, 25791136, 32238920, 64477840, 128955680]

約数ペア:

[(1, 128955680), (2, 64477840), (4, 32238920), (5, 25791136), (7, 18422240), (8, 16119460), (10, 12895568), (14, 9211120), (16, 8059730), (20, 6447784), (28, 4605560), (32, 4029865), (35, 3684448), (40, 3223892), (56, 2302780), (70, 1842224), (80, 1611946), (97, 1329440), (112, 1151390), (140, 921112), (160, 805973), (194, 664720), (224, 575695), (280, 460556), (388, 332360), (485, 265888), (560, 230278), (679, 189920), (776, 166180), (970, 132944), (1120, 115139), (1187, 108640), (1358, 94960), (1552, 83090), (1940, 66472), (2374, 54320), (2716, 47480), (3104, 41545), (3395, 37984), (3880, 33236), (4748, 27160), (5432, 23740), (5935, 21728), (6790, 18992), (7760, 16618), (8309, 15520), (9496, 13580), (10864, 11870)]