208381320

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{11813}}^1$

素因数の和:11844

約数の個数: 144

約数和(自身を含む): 787875660

約数和(自身を除く): 579494340

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 5880, 8820, 11813, 17640, 23626, 35439, 47252, 59065, 70878, 82691, 94504, 106317, 118130, 141756, 165382, 177195, 212634, 236260, 248073, 283512, 330764, 354390, 413455, 425268, 472520, 496146, 531585, 578837, 661528, 708780, 744219, 826910, 850536, 992292, 1063170, 1157674, 1240365, 1417560, 1488438, 1653820, 1736511, 1984584, 2126340, 2315348, 2480730, 2894185, 2976876, 3307640, 3473022, 3721095, 4252680, 4630696, 4961460, 5209533, 5788370, 5953752, 6946044, 7442190, 8682555, 9922920, 10419066, 11576740, 13892088, 14884380, 17365110, 20838132, 23153480, 26047665, 29768760, 34730220, 41676264, 52095330, 69460440, 104190660, 208381320]

約数ペア:

[(1, 208381320), (2, 104190660), (3, 69460440), (4, 52095330), (5, 41676264), (6, 34730220), (7, 29768760), (8, 26047665), (9, 23153480), (10, 20838132), (12, 17365110), (14, 14884380), (15, 13892088), (18, 11576740), (20, 10419066), (21, 9922920), (24, 8682555), (28, 7442190), (30, 6946044), (35, 5953752), (36, 5788370), (40, 5209533), (42, 4961460), (45, 4630696), (49, 4252680), (56, 3721095), (60, 3473022), (63, 3307640), (70, 2976876), (72, 2894185), (84, 2480730), (90, 2315348), (98, 2126340), (105, 1984584), (120, 1736511), (126, 1653820), (140, 1488438), (147, 1417560), (168, 1240365), (180, 1157674), (196, 1063170), (210, 992292), (245, 850536), (252, 826910), (280, 744219), (294, 708780), (315, 661528), (360, 578837), (392, 531585), (420, 496146), (441, 472520), (490, 425268), (504, 413455), (588, 354390), (630, 330764), (735, 283512), (840, 248073), (882, 236260), (980, 212634), (1176, 177195), (1260, 165382), (1470, 141756), (1764, 118130), (1960, 106317), (2205, 94504), (2520, 82691), (2940, 70878), (3528, 59065), (4410, 47252), (5880, 35439), (8820, 23626), (11813, 17640)]