389459520

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{499}}^1$

素因数の和:793

約数の個数: 168

約数和(自身を含む): 1347216000

約数和(自身を除く): 957756480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 271, 288, 320, 360, 480, 499, 542, 576, 720, 813, 960, 998, 1084, 1355, 1440, 1497, 1626, 1996, 2168, 2439, 2495, 2710, 2880, 2994, 3252, 3992, 4065, 4336, 4491, 4878, 4990, 5420, 5988, 6504, 7485, 7984, 8130, 8672, 8982, 9756, 9980, 10840, 11976, 12195, 13008, 14970, 15968, 16260, 17344, 17964, 19512, 19960, 21680, 22455, 23952, 24390, 26016, 29940, 31936, 32520, 35928, 39024, 39920, 43360, 44910, 47904, 48780, 52032, 59880, 65040, 71856, 78048, 79840, 86720, 89820, 95808, 97560, 119760, 130080, 135229, 143712, 156096, 159680, 179640, 195120, 239520, 260160, 270458, 287424, 359280, 390240, 405687, 479040, 540916, 676145, 718560, 780480, 811374, 1081832, 1217061, 1352290, 1437120, 1622748, 2028435, 2163664, 2434122, 2704580, 3245496, 4056870, 4327328, 4868244, 5409160, 6085305, 6490992, 8113740, 8654656, 9736488, 10818320, 12170610, 12981984, 16227480, 19472976, 21636640, 24341220, 25963968, 32454960, 38945952, 43273280, 48682440, 64909920, 77891904, 97364880, 129819840, 194729760, 389459520]

約数ペア:

[(1, 389459520), (2, 194729760), (3, 129819840), (4, 97364880), (5, 77891904), (6, 64909920), (8, 48682440), (9, 43273280), (10, 38945952), (12, 32454960), (15, 25963968), (16, 24341220), (18, 21636640), (20, 19472976), (24, 16227480), (30, 12981984), (32, 12170610), (36, 10818320), (40, 9736488), (45, 8654656), (48, 8113740), (60, 6490992), (64, 6085305), (72, 5409160), (80, 4868244), (90, 4327328), (96, 4056870), (120, 3245496), (144, 2704580), (160, 2434122), (180, 2163664), (192, 2028435), (240, 1622748), (271, 1437120), (288, 1352290), (320, 1217061), (360, 1081832), (480, 811374), (499, 780480), (542, 718560), (576, 676145), (720, 540916), (813, 479040), (960, 405687), (998, 390240), (1084, 359280), (1355, 287424), (1440, 270458), (1497, 260160), (1626, 239520), (1996, 195120), (2168, 179640), (2439, 159680), (2495, 156096), (2710, 143712), (2880, 135229), (2994, 130080), (3252, 119760), (3992, 97560), (4065, 95808), (4336, 89820), (4491, 86720), (4878, 79840), (4990, 78048), (5420, 71856), (5988, 65040), (6504, 59880), (7485, 52032), (7984, 48780), (8130, 47904), (8672, 44910), (8982, 43360), (9756, 39920), (9980, 39024), (10840, 35928), (11976, 32520), (12195, 31936), (13008, 29940), (14970, 26016), (15968, 24390), (16260, 23952), (17344, 22455), (17964, 21680), (19512, 19960)]