1238900320

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{8317}}^1$

素因数の和:8365

約数の個数: 144

約数和(自身を含む): 3584392560

約数和(自身を除く): 2345492240

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, 160, 190, 196, 224, 245, 266, 280, 304, 380, 392, 490, 532, 560, 608, 665, 760, 784, 931, 980, 1064, 1120, 1330, 1520, 1568, 1862, 1960, 2128, 2660, 3040, 3724, 3920, 4256, 4655, 5320, 7448, 7840, 8317, 9310, 10640, 14896, 16634, 18620, 21280, 29792, 33268, 37240, 41585, 58219, 66536, 74480, 83170, 116438, 133072, 148960, 158023, 166340, 232876, 266144, 291095, 316046, 332680, 407533, 465752, 582190, 632092, 665360, 790115, 815066, 931504, 1106161, 1164380, 1264184, 1330720, 1580230, 1630132, 1863008, 2037665, 2212322, 2328760, 2528368, 3160460, 3260264, 4075330, 4424644, 4657520, 5056736, 5530805, 6320920, 6520528, 7743127, 8150660, 8849288, 9315040, 11061610, 12641840, 13041056, 15486254, 16301320, 17698576, 22123220, 25283680, 30972508, 32602640, 35397152, 38715635, 44246440, 61945016, 65205280, 77431270, 88492880, 123890032, 154862540, 176985760, 247780064, 309725080, 619450160, 1238900320]

約数ペア:

[(1, 1238900320), (2, 619450160), (4, 309725080), (5, 247780064), (7, 176985760), (8, 154862540), (10, 123890032), (14, 88492880), (16, 77431270), (19, 65205280), (20, 61945016), (28, 44246440), (32, 38715635), (35, 35397152), (38, 32602640), (40, 30972508), (49, 25283680), (56, 22123220), (70, 17698576), (76, 16301320), (80, 15486254), (95, 13041056), (98, 12641840), (112, 11061610), (133, 9315040), (140, 8849288), (152, 8150660), (160, 7743127), (190, 6520528), (196, 6320920), (224, 5530805), (245, 5056736), (266, 4657520), (280, 4424644), (304, 4075330), (380, 3260264), (392, 3160460), (490, 2528368), (532, 2328760), (560, 2212322), (608, 2037665), (665, 1863008), (760, 1630132), (784, 1580230), (931, 1330720), (980, 1264184), (1064, 1164380), (1120, 1106161), (1330, 931504), (1520, 815066), (1568, 790115), (1862, 665360), (1960, 632092), (2128, 582190), (2660, 465752), (3040, 407533), (3724, 332680), (3920, 316046), (4256, 291095), (4655, 266144), (5320, 232876), (7448, 166340), (7840, 158023), (8317, 148960), (9310, 133072), (10640, 116438), (14896, 83170), (16634, 74480), (18620, 66536), (21280, 58219), (29792, 41585), (33268, 37240)]