71408960

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1$

素因数の和:544

約数の個数: 112

約数和(自身を含む): 197510400

約数和(自身を除く): 126101440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 71, 80, 112, 140, 142, 160, 224, 280, 284, 320, 355, 448, 449, 497, 560, 568, 710, 898, 994, 1120, 1136, 1420, 1796, 1988, 2240, 2245, 2272, 2485, 2840, 3143, 3592, 3976, 4490, 4544, 4970, 5680, 6286, 7184, 7952, 8980, 9940, 11360, 12572, 14368, 15715, 15904, 17960, 19880, 22720, 25144, 28736, 31430, 31808, 31879, 35920, 39760, 50288, 62860, 63758, 71840, 79520, 100576, 125720, 127516, 143680, 159040, 159395, 201152, 223153, 251440, 255032, 318790, 446306, 502880, 510064, 637580, 892612, 1005760, 1020128, 1115765, 1275160, 1785224, 2040256, 2231530, 2550320, 3570448, 4463060, 5100640, 7140896, 8926120, 10201280, 14281792, 17852240, 35704480, 71408960]

約数ペア:

[(1, 71408960), (2, 35704480), (4, 17852240), (5, 14281792), (7, 10201280), (8, 8926120), (10, 7140896), (14, 5100640), (16, 4463060), (20, 3570448), (28, 2550320), (32, 2231530), (35, 2040256), (40, 1785224), (56, 1275160), (64, 1115765), (70, 1020128), (71, 1005760), (80, 892612), (112, 637580), (140, 510064), (142, 502880), (160, 446306), (224, 318790), (280, 255032), (284, 251440), (320, 223153), (355, 201152), (448, 159395), (449, 159040), (497, 143680), (560, 127516), (568, 125720), (710, 100576), (898, 79520), (994, 71840), (1120, 63758), (1136, 62860), (1420, 50288), (1796, 39760), (1988, 35920), (2240, 31879), (2245, 31808), (2272, 31430), (2485, 28736), (2840, 25144), (3143, 22720), (3592, 19880), (3976, 17960), (4490, 15904), (4544, 15715), (4970, 14368), (5680, 12572), (6286, 11360), (7184, 9940), (7952, 8980)]