64787040

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{4999}}^1$

素因数の和:5026

約数の個数: 120

約数和(自身を含む): 228690000

約数和(自身を除く): 163902960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 2160, 2592, 3240, 4320, 4999, 6480, 9998, 12960, 14997, 19996, 24995, 29994, 39992, 44991, 49990, 59988, 74985, 79984, 89982, 99980, 119976, 134973, 149970, 159968, 179964, 199960, 224955, 239952, 269946, 299940, 359928, 399920, 404919, 449910, 479904, 539892, 599880, 674865, 719856, 799840, 809838, 899820, 1079784, 1199760, 1349730, 1439712, 1619676, 1799640, 2024595, 2159568, 2399520, 2699460, 3239352, 3599280, 4049190, 4319136, 5398920, 6478704, 7198560, 8098380, 10797840, 12957408, 16196760, 21595680, 32393520, 64787040]

約数ペア:

[(1, 64787040), (2, 32393520), (3, 21595680), (4, 16196760), (5, 12957408), (6, 10797840), (8, 8098380), (9, 7198560), (10, 6478704), (12, 5398920), (15, 4319136), (16, 4049190), (18, 3599280), (20, 3239352), (24, 2699460), (27, 2399520), (30, 2159568), (32, 2024595), (36, 1799640), (40, 1619676), (45, 1439712), (48, 1349730), (54, 1199760), (60, 1079784), (72, 899820), (80, 809838), (81, 799840), (90, 719856), (96, 674865), (108, 599880), (120, 539892), (135, 479904), (144, 449910), (160, 404919), (162, 399920), (180, 359928), (216, 299940), (240, 269946), (270, 239952), (288, 224955), (324, 199960), (360, 179964), (405, 159968), (432, 149970), (480, 134973), (540, 119976), (648, 99980), (720, 89982), (810, 79984), (864, 74985), (1080, 59988), (1296, 49990), (1440, 44991), (1620, 39992), (2160, 29994), (2592, 24995), (3240, 19996), (4320, 14997), (4999, 12960), (6480, 9998)]