266870320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107609}}^1$

素因数の和:107653

約数の個数: 40

約数和(自身を含む): 640494720

約数和(自身を除く): 373624400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 107609, 215218, 430436, 538045, 860872, 1076090, 1721744, 2152180, 3335879, 4304360, 6671758, 8608720, 13343516, 16679395, 26687032, 33358790, 53374064, 66717580, 133435160, 266870320]

約数ペア:

[(1, 266870320), (2, 133435160), (4, 66717580), (5, 53374064), (8, 33358790), (10, 26687032), (16, 16679395), (20, 13343516), (31, 8608720), (40, 6671758), (62, 4304360), (80, 3335879), (124, 2152180), (155, 1721744), (248, 1076090), (310, 860872), (496, 538045), (620, 430436), (1240, 215218), (2480, 107609)]