123397680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^3\times {\mathrm{1499}}^1$

素因数の和:1536

約数の個数: 160

約数和(自身を含む): 446400000

約数和(自身を除く): 323002320

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, 392, 420, 490, 560, 588, 686, 735, 784, 840, 980, 1029, 1176, 1372, 1470, 1499, 1680, 1715, 1960, 2058, 2352, 2744, 2940, 2998, 3430, 3920, 4116, 4497, 5145, 5488, 5880, 5996, 6860, 7495, 8232, 8994, 10290, 10493, 11760, 11992, 13720, 14990, 16464, 17988, 20580, 20986, 22485, 23984, 27440, 29980, 31479, 35976, 41160, 41972, 44970, 52465, 59960, 62958, 71952, 73451, 82320, 83944, 89940, 104930, 119920, 125916, 146902, 157395, 167888, 179880, 209860, 220353, 251832, 293804, 314790, 359760, 367255, 419720, 440706, 503664, 514157, 587608, 629580, 734510, 839440, 881412, 1028314, 1101765, 1175216, 1259160, 1469020, 1542471, 1762824, 2056628, 2203530, 2518320, 2570785, 2938040, 3084942, 3525648, 4113256, 4407060, 5141570, 5876080, 6169884, 7712355, 8226512, 8814120, 10283140, 12339768, 15424710, 17628240, 20566280, 24679536, 30849420, 41132560, 61698840, 123397680]

約数ペア:

[(1, 123397680), (2, 61698840), (3, 41132560), (4, 30849420), (5, 24679536), (6, 20566280), (7, 17628240), (8, 15424710), (10, 12339768), (12, 10283140), (14, 8814120), (15, 8226512), (16, 7712355), (20, 6169884), (21, 5876080), (24, 5141570), (28, 4407060), (30, 4113256), (35, 3525648), (40, 3084942), (42, 2938040), (48, 2570785), (49, 2518320), (56, 2203530), (60, 2056628), (70, 1762824), (80, 1542471), (84, 1469020), (98, 1259160), (105, 1175216), (112, 1101765), (120, 1028314), (140, 881412), (147, 839440), (168, 734510), (196, 629580), (210, 587608), (240, 514157), (245, 503664), (280, 440706), (294, 419720), (336, 367255), (343, 359760), (392, 314790), (420, 293804), (490, 251832), (560, 220353), (588, 209860), (686, 179880), (735, 167888), (784, 157395), (840, 146902), (980, 125916), (1029, 119920), (1176, 104930), (1372, 89940), (1470, 83944), (1499, 82320), (1680, 73451), (1715, 71952), (1960, 62958), (2058, 59960), (2352, 52465), (2744, 44970), (2940, 41972), (2998, 41160), (3430, 35976), (3920, 31479), (4116, 29980), (4497, 27440), (5145, 23984), (5488, 22485), (5880, 20986), (5996, 20580), (6860, 17988), (7495, 16464), (8232, 14990), (8994, 13720), (10290, 11992), (10493, 11760)]