19427040

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{1499}}^1$

素因数の和:1526

約数の個数: 120

約数和(自身を含む): 68607000

約数和(自身を除く): 49179960

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, 1499, 1620, 2160, 2592, 2998, 3240, 4320, 4497, 5996, 6480, 7495, 8994, 11992, 12960, 13491, 14990, 17988, 22485, 23984, 26982, 29980, 35976, 40473, 44970, 47968, 53964, 59960, 67455, 71952, 80946, 89940, 107928, 119920, 121419, 134910, 143904, 161892, 179880, 202365, 215856, 239840, 242838, 269820, 323784, 359760, 404730, 431712, 485676, 539640, 607095, 647568, 719520, 809460, 971352, 1079280, 1214190, 1295136, 1618920, 1942704, 2158560, 2428380, 3237840, 3885408, 4856760, 6475680, 9713520, 19427040]

約数ペア:

[(1, 19427040), (2, 9713520), (3, 6475680), (4, 4856760), (5, 3885408), (6, 3237840), (8, 2428380), (9, 2158560), (10, 1942704), (12, 1618920), (15, 1295136), (16, 1214190), (18, 1079280), (20, 971352), (24, 809460), (27, 719520), (30, 647568), (32, 607095), (36, 539640), (40, 485676), (45, 431712), (48, 404730), (54, 359760), (60, 323784), (72, 269820), (80, 242838), (81, 239840), (90, 215856), (96, 202365), (108, 179880), (120, 161892), (135, 143904), (144, 134910), (160, 121419), (162, 119920), (180, 107928), (216, 89940), (240, 80946), (270, 71952), (288, 67455), (324, 59960), (360, 53964), (405, 47968), (432, 44970), (480, 40473), (540, 35976), (648, 29980), (720, 26982), (810, 23984), (864, 22485), (1080, 17988), (1296, 14990), (1440, 13491), (1499, 12960), (1620, 11992), (2160, 8994), (2592, 7495), (2998, 6480), (3240, 5996), (4320, 4497)]