23386720

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:205

約数の個数: 144

約数和(自身を含む): 68085360

約数和(自身を除く): 44698640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 157, 160, 190, 196, 224, 245, 266, 280, 304, 314, 380, 392, 490, 532, 560, 608, 628, 665, 760, 784, 785, 931, 980, 1064, 1099, 1120, 1256, 1330, 1520, 1568, 1570, 1862, 1960, 2128, 2198, 2512, 2660, 2983, 3040, 3140, 3724, 3920, 4256, 4396, 4655, 5024, 5320, 5495, 5966, 6280, 7448, 7693, 7840, 8792, 9310, 10640, 10990, 11932, 12560, 14896, 14915, 15386, 17584, 18620, 20881, 21280, 21980, 23864, 25120, 29792, 29830, 30772, 35168, 37240, 38465, 41762, 43960, 47728, 59660, 61544, 74480, 76930, 83524, 87920, 95456, 104405, 119320, 123088, 146167, 148960, 153860, 167048, 175840, 208810, 238640, 246176, 292334, 307720, 334096, 417620, 477280, 584668, 615440, 668192, 730835, 835240, 1169336, 1230880, 1461670, 1670480, 2338672, 2923340, 3340960, 4677344, 5846680, 11693360, 23386720]

約数ペア:

[(1, 23386720), (2, 11693360), (4, 5846680), (5, 4677344), (7, 3340960), (8, 2923340), (10, 2338672), (14, 1670480), (16, 1461670), (19, 1230880), (20, 1169336), (28, 835240), (32, 730835), (35, 668192), (38, 615440), (40, 584668), (49, 477280), (56, 417620), (70, 334096), (76, 307720), (80, 292334), (95, 246176), (98, 238640), (112, 208810), (133, 175840), (140, 167048), (152, 153860), (157, 148960), (160, 146167), (190, 123088), (196, 119320), (224, 104405), (245, 95456), (266, 87920), (280, 83524), (304, 76930), (314, 74480), (380, 61544), (392, 59660), (490, 47728), (532, 43960), (560, 41762), (608, 38465), (628, 37240), (665, 35168), (760, 30772), (784, 29830), (785, 29792), (931, 25120), (980, 23864), (1064, 21980), (1099, 21280), (1120, 20881), (1256, 18620), (1330, 17584), (1520, 15386), (1568, 14915), (1570, 14896), (1862, 12560), (1960, 11932), (2128, 10990), (2198, 10640), (2512, 9310), (2660, 8792), (2983, 7840), (3040, 7693), (3140, 7448), (3724, 6280), (3920, 5966), (4256, 5495), (4396, 5320), (4655, 5024)]