20142720

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1$

素因数の和:307

約数の個数: 192

約数和(自身を含む): 75184200

約数和(自身を除く): 55041480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 128, 130, 144, 156, 160, 180, 192, 195, 208, 234, 240, 260, 269, 288, 312, 320, 360, 384, 390, 416, 468, 480, 520, 538, 576, 585, 624, 640, 720, 780, 807, 832, 936, 960, 1040, 1076, 1152, 1170, 1248, 1345, 1440, 1560, 1614, 1664, 1872, 1920, 2080, 2152, 2340, 2421, 2496, 2690, 2880, 3120, 3228, 3497, 3744, 4035, 4160, 4304, 4680, 4842, 4992, 5380, 5760, 6240, 6456, 6994, 7488, 8070, 8320, 8608, 9360, 9684, 10491, 10760, 12105, 12480, 12912, 13988, 14976, 16140, 17216, 17485, 18720, 19368, 20982, 21520, 24210, 24960, 25824, 27976, 31473, 32280, 34432, 34970, 37440, 38736, 41964, 43040, 48420, 51648, 52455, 55952, 62946, 64560, 69940, 74880, 77472, 83928, 86080, 96840, 103296, 104910, 111904, 125892, 129120, 139880, 154944, 157365, 167856, 172160, 193680, 209820, 223808, 251784, 258240, 279760, 309888, 314730, 335712, 387360, 419640, 447616, 503568, 516480, 559520, 629460, 671424, 774720, 839280, 1007136, 1119040, 1258920, 1342848, 1549440, 1678560, 2014272, 2238080, 2517840, 3357120, 4028544, 5035680, 6714240, 10071360, 20142720]

約数ペア:

[(1, 20142720), (2, 10071360), (3, 6714240), (4, 5035680), (5, 4028544), (6, 3357120), (8, 2517840), (9, 2238080), (10, 2014272), (12, 1678560), (13, 1549440), (15, 1342848), (16, 1258920), (18, 1119040), (20, 1007136), (24, 839280), (26, 774720), (30, 671424), (32, 629460), (36, 559520), (39, 516480), (40, 503568), (45, 447616), (48, 419640), (52, 387360), (60, 335712), (64, 314730), (65, 309888), (72, 279760), (78, 258240), (80, 251784), (90, 223808), (96, 209820), (104, 193680), (117, 172160), (120, 167856), (128, 157365), (130, 154944), (144, 139880), (156, 129120), (160, 125892), (180, 111904), (192, 104910), (195, 103296), (208, 96840), (234, 86080), (240, 83928), (260, 77472), (269, 74880), (288, 69940), (312, 64560), (320, 62946), (360, 55952), (384, 52455), (390, 51648), (416, 48420), (468, 43040), (480, 41964), (520, 38736), (538, 37440), (576, 34970), (585, 34432), (624, 32280), (640, 31473), (720, 27976), (780, 25824), (807, 24960), (832, 24210), (936, 21520), (960, 20982), (1040, 19368), (1076, 18720), (1152, 17485), (1170, 17216), (1248, 16140), (1345, 14976), (1440, 13988), (1560, 12912), (1614, 12480), (1664, 12105), (1872, 10760), (1920, 10491), (2080, 9684), (2152, 9360), (2340, 8608), (2421, 8320), (2496, 8070), (2690, 7488), (2880, 6994), (3120, 6456), (3228, 6240), (3497, 5760), (3744, 5380), (4035, 4992), (4160, 4842), (4304, 4680)]