1255658720

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{253157}}^1$

素因数の和:253203

約数の個数: 48

約数和(自身を含む): 3062199168

約数和(自身を除く): 1806540448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 253157, 506314, 1012628, 1265785, 2025256, 2531570, 4050512, 5063140, 7847867, 8101024, 10126280, 15695734, 20252560, 31391468, 39239335, 40505120, 62782936, 78478670, 125565872, 156957340, 251131744, 313914680, 627829360, 1255658720]

約数ペア:

[(1, 1255658720), (2, 627829360), (4, 313914680), (5, 251131744), (8, 156957340), (10, 125565872), (16, 78478670), (20, 62782936), (31, 40505120), (32, 39239335), (40, 31391468), (62, 20252560), (80, 15695734), (124, 10126280), (155, 8101024), (160, 7847867), (248, 5063140), (310, 4050512), (496, 2531570), (620, 2025256), (992, 1265785), (1240, 1012628), (2480, 506314), (4960, 253157)]