64876000

素因数分解:

$2^5\times 5^3\times 7^2\times {\mathrm{331}}^1$

素因数の和:370

約数の個数: 144

約数和(自身を含む): 185985072

約数和(自身を除く): 121109072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 125, 140, 160, 175, 196, 200, 224, 245, 250, 280, 331, 350, 392, 400, 490, 500, 560, 662, 700, 784, 800, 875, 980, 1000, 1120, 1225, 1324, 1400, 1568, 1655, 1750, 1960, 2000, 2317, 2450, 2648, 2800, 3310, 3500, 3920, 4000, 4634, 4900, 5296, 5600, 6125, 6620, 7000, 7840, 8275, 9268, 9800, 10592, 11585, 12250, 13240, 14000, 16219, 16550, 18536, 19600, 23170, 24500, 26480, 28000, 32438, 33100, 37072, 39200, 41375, 46340, 49000, 52960, 57925, 64876, 66200, 74144, 81095, 82750, 92680, 98000, 115850, 129752, 132400, 162190, 165500, 185360, 196000, 231700, 259504, 264800, 289625, 324380, 331000, 370720, 405475, 463400, 519008, 579250, 648760, 662000, 810950, 926800, 1158500, 1297520, 1324000, 1621900, 1853600, 2027375, 2317000, 2595040, 3243800, 4054750, 4634000, 6487600, 8109500, 9268000, 12975200, 16219000, 32438000, 64876000]

約数ペア:

[(1, 64876000), (2, 32438000), (4, 16219000), (5, 12975200), (7, 9268000), (8, 8109500), (10, 6487600), (14, 4634000), (16, 4054750), (20, 3243800), (25, 2595040), (28, 2317000), (32, 2027375), (35, 1853600), (40, 1621900), (49, 1324000), (50, 1297520), (56, 1158500), (70, 926800), (80, 810950), (98, 662000), (100, 648760), (112, 579250), (125, 519008), (140, 463400), (160, 405475), (175, 370720), (196, 331000), (200, 324380), (224, 289625), (245, 264800), (250, 259504), (280, 231700), (331, 196000), (350, 185360), (392, 165500), (400, 162190), (490, 132400), (500, 129752), (560, 115850), (662, 98000), (700, 92680), (784, 82750), (800, 81095), (875, 74144), (980, 66200), (1000, 64876), (1120, 57925), (1225, 52960), (1324, 49000), (1400, 46340), (1568, 41375), (1655, 39200), (1750, 37072), (1960, 33100), (2000, 32438), (2317, 28000), (2450, 26480), (2648, 24500), (2800, 23170), (3310, 19600), (3500, 18536), (3920, 16550), (4000, 16219), (4634, 14000), (4900, 13240), (5296, 12250), (5600, 11585), (6125, 10592), (6620, 9800), (7000, 9268), (7840, 8275)]