31199280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^3\times {\mathrm{379}}^1$

素因数の和:416

約数の個数: 160

約数和(自身を含む): 113088000

約数和(自身を除く): 81888720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 343, 379, 392, 420, 490, 560, 588, 686, 735, 758, 784, 840, 980, 1029, 1137, 1176, 1372, 1470, 1516, 1680, 1715, 1895, 1960, 2058, 2274, 2352, 2653, 2744, 2940, 3032, 3430, 3790, 3920, 4116, 4548, 5145, 5306, 5488, 5685, 5880, 6064, 6860, 7580, 7959, 8232, 9096, 10290, 10612, 11370, 11760, 13265, 13720, 15160, 15918, 16464, 18192, 18571, 20580, 21224, 22740, 26530, 27440, 30320, 31836, 37142, 39795, 41160, 42448, 45480, 53060, 55713, 63672, 74284, 79590, 82320, 90960, 92855, 106120, 111426, 127344, 129997, 148568, 159180, 185710, 212240, 222852, 259994, 278565, 297136, 318360, 371420, 389991, 445704, 519988, 557130, 636720, 649985, 742840, 779982, 891408, 1039976, 1114260, 1299970, 1485680, 1559964, 1949955, 2079952, 2228520, 2599940, 3119928, 3899910, 4457040, 5199880, 6239856, 7799820, 10399760, 15599640, 31199280]

約数ペア:

[(1, 31199280), (2, 15599640), (3, 10399760), (4, 7799820), (5, 6239856), (6, 5199880), (7, 4457040), (8, 3899910), (10, 3119928), (12, 2599940), (14, 2228520), (15, 2079952), (16, 1949955), (20, 1559964), (21, 1485680), (24, 1299970), (28, 1114260), (30, 1039976), (35, 891408), (40, 779982), (42, 742840), (48, 649985), (49, 636720), (56, 557130), (60, 519988), (70, 445704), (80, 389991), (84, 371420), (98, 318360), (105, 297136), (112, 278565), (120, 259994), (140, 222852), (147, 212240), (168, 185710), (196, 159180), (210, 148568), (240, 129997), (245, 127344), (280, 111426), (294, 106120), (336, 92855), (343, 90960), (379, 82320), (392, 79590), (420, 74284), (490, 63672), (560, 55713), (588, 53060), (686, 45480), (735, 42448), (758, 41160), (784, 39795), (840, 37142), (980, 31836), (1029, 30320), (1137, 27440), (1176, 26530), (1372, 22740), (1470, 21224), (1516, 20580), (1680, 18571), (1715, 18192), (1895, 16464), (1960, 15918), (2058, 15160), (2274, 13720), (2352, 13265), (2653, 11760), (2744, 11370), (2940, 10612), (3032, 10290), (3430, 9096), (3790, 8232), (3920, 7959), (4116, 7580), (4548, 6860), (5145, 6064), (5306, 5880), (5488, 5685)]