280020384

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{138899}}^1$

素因数の和:138922

約数の個数: 72

約数和(自身を含む): 910072800

約数和(自身を除く): 630052416

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 138899, 277798, 416697, 555596, 833394, 972293, 1111192, 1250091, 1666788, 1944586, 2222384, 2500182, 2916879, 3333576, 3889172, 4444768, 5000364, 5833758, 6667152, 7778344, 8750637, 10000728, 11667516, 13334304, 15556688, 17501274, 20001456, 23335032, 31113376, 35002548, 40002912, 46670064, 70005096, 93340128, 140010192, 280020384]

約数ペア:

[(1, 280020384), (2, 140010192), (3, 93340128), (4, 70005096), (6, 46670064), (7, 40002912), (8, 35002548), (9, 31113376), (12, 23335032), (14, 20001456), (16, 17501274), (18, 15556688), (21, 13334304), (24, 11667516), (28, 10000728), (32, 8750637), (36, 7778344), (42, 6667152), (48, 5833758), (56, 5000364), (63, 4444768), (72, 3889172), (84, 3333576), (96, 2916879), (112, 2500182), (126, 2222384), (144, 1944586), (168, 1666788), (224, 1250091), (252, 1111192), (288, 972293), (336, 833394), (504, 555596), (672, 416697), (1008, 277798), (2016, 138899)]