280188160

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31271}}^1$

素因数の和:31299

約数の個数: 72

約数和(自身を含む): 767039616

約数和(自身を除く): 486851456

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 31271, 62542, 125084, 156355, 218897, 250168, 312710, 437794, 500336, 625420, 875588, 1000672, 1094485, 1250840, 1751176, 2001344, 2188970, 2501680, 3502352, 4002688, 4377940, 5003360, 7004704, 8005376, 8755880, 10006720, 14009408, 17511760, 20013440, 28018816, 35023520, 40026880, 56037632, 70047040, 140094080, 280188160]

約数ペア:

[(1, 280188160), (2, 140094080), (4, 70047040), (5, 56037632), (7, 40026880), (8, 35023520), (10, 28018816), (14, 20013440), (16, 17511760), (20, 14009408), (28, 10006720), (32, 8755880), (35, 8005376), (40, 7004704), (56, 5003360), (64, 4377940), (70, 4002688), (80, 3502352), (112, 2501680), (128, 2188970), (140, 2001344), (160, 1751176), (224, 1250840), (256, 1094485), (280, 1000672), (320, 875588), (448, 625420), (560, 500336), (640, 437794), (896, 312710), (1120, 250168), (1280, 218897), (1792, 156355), (2240, 125084), (4480, 62542), (8960, 31271)]