259639680

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{499}}^1$

素因数の和:792

約数の個数: 128

約数和(自身を含む): 832320000

約数和(自身を除く): 572680320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 271, 320, 384, 480, 499, 542, 640, 813, 960, 998, 1084, 1355, 1497, 1626, 1920, 1996, 2168, 2495, 2710, 2994, 3252, 3992, 4065, 4336, 4990, 5420, 5988, 6504, 7485, 7984, 8130, 8672, 9980, 10840, 11976, 13008, 14970, 15968, 16260, 17344, 19960, 21680, 23952, 26016, 29940, 31936, 32520, 34688, 39920, 43360, 47904, 52032, 59880, 63872, 65040, 79840, 86720, 95808, 104064, 119760, 130080, 135229, 159680, 173440, 191616, 239520, 260160, 270458, 319360, 405687, 479040, 520320, 540916, 676145, 811374, 958080, 1081832, 1352290, 1622748, 2028435, 2163664, 2704580, 3245496, 4056870, 4327328, 5409160, 6490992, 8113740, 8654656, 10818320, 12981984, 16227480, 17309312, 21636640, 25963968, 32454960, 43273280, 51927936, 64909920, 86546560, 129819840, 259639680]

約数ペア:

[(1, 259639680), (2, 129819840), (3, 86546560), (4, 64909920), (5, 51927936), (6, 43273280), (8, 32454960), (10, 25963968), (12, 21636640), (15, 17309312), (16, 16227480), (20, 12981984), (24, 10818320), (30, 8654656), (32, 8113740), (40, 6490992), (48, 5409160), (60, 4327328), (64, 4056870), (80, 3245496), (96, 2704580), (120, 2163664), (128, 2028435), (160, 1622748), (192, 1352290), (240, 1081832), (271, 958080), (320, 811374), (384, 676145), (480, 540916), (499, 520320), (542, 479040), (640, 405687), (813, 319360), (960, 270458), (998, 260160), (1084, 239520), (1355, 191616), (1497, 173440), (1626, 159680), (1920, 135229), (1996, 130080), (2168, 119760), (2495, 104064), (2710, 95808), (2994, 86720), (3252, 79840), (3992, 65040), (4065, 63872), (4336, 59880), (4990, 52032), (5420, 47904), (5988, 43360), (6504, 39920), (7485, 34688), (7984, 32520), (8130, 31936), (8672, 29940), (9980, 26016), (10840, 23952), (11976, 21680), (13008, 19960), (14970, 17344), (15968, 16260)]