326865280

素因数分解:

$2^7\times 5^1\times 7^3\times {\mathrm{1489}}^1$

素因数の和:1529

約数の個数: 128

約数和(自身を含む): 911880000

約数和(自身を除く): 585014720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 280, 320, 343, 392, 448, 490, 560, 640, 686, 784, 896, 980, 1120, 1372, 1489, 1568, 1715, 1960, 2240, 2744, 2978, 3136, 3430, 3920, 4480, 5488, 5956, 6272, 6860, 7445, 7840, 10423, 10976, 11912, 13720, 14890, 15680, 20846, 21952, 23824, 27440, 29780, 31360, 41692, 43904, 47648, 52115, 54880, 59560, 72961, 83384, 95296, 104230, 109760, 119120, 145922, 166768, 190592, 208460, 219520, 238240, 291844, 333536, 364805, 416920, 476480, 510727, 583688, 667072, 729610, 833840, 952960, 1021454, 1167376, 1334144, 1459220, 1667680, 2042908, 2334752, 2553635, 2918440, 3335360, 4085816, 4669504, 5107270, 5836880, 6670720, 8171632, 9339008, 10214540, 11673760, 16343264, 20429080, 23347520, 32686528, 40858160, 46695040, 65373056, 81716320, 163432640, 326865280]

約数ペア:

[(1, 326865280), (2, 163432640), (4, 81716320), (5, 65373056), (7, 46695040), (8, 40858160), (10, 32686528), (14, 23347520), (16, 20429080), (20, 16343264), (28, 11673760), (32, 10214540), (35, 9339008), (40, 8171632), (49, 6670720), (56, 5836880), (64, 5107270), (70, 4669504), (80, 4085816), (98, 3335360), (112, 2918440), (128, 2553635), (140, 2334752), (160, 2042908), (196, 1667680), (224, 1459220), (245, 1334144), (280, 1167376), (320, 1021454), (343, 952960), (392, 833840), (448, 729610), (490, 667072), (560, 583688), (640, 510727), (686, 476480), (784, 416920), (896, 364805), (980, 333536), (1120, 291844), (1372, 238240), (1489, 219520), (1568, 208460), (1715, 190592), (1960, 166768), (2240, 145922), (2744, 119120), (2978, 109760), (3136, 104230), (3430, 95296), (3920, 83384), (4480, 72961), (5488, 59560), (5956, 54880), (6272, 52115), (6860, 47648), (7445, 43904), (7840, 41692), (10423, 31360), (10976, 29780), (11912, 27440), (13720, 23824), (14890, 21952), (15680, 20846)]