91343840

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:281

約数の個数: 144

約数和(自身を含む): 256483584

約数和(自身を除く): 165139744

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 61, 70, 80, 98, 112, 122, 140, 160, 191, 196, 224, 244, 245, 280, 305, 382, 392, 427, 488, 490, 560, 610, 764, 784, 854, 955, 976, 980, 1120, 1220, 1337, 1528, 1568, 1708, 1910, 1952, 1960, 2135, 2440, 2674, 2989, 3056, 3416, 3820, 3920, 4270, 4880, 5348, 5978, 6112, 6685, 6832, 7640, 7840, 8540, 9359, 9760, 10696, 11651, 11956, 13370, 13664, 14945, 15280, 17080, 18718, 21392, 23302, 23912, 26740, 29890, 30560, 34160, 37436, 42784, 46604, 46795, 47824, 53480, 58255, 59780, 68320, 74872, 81557, 93208, 93590, 95648, 106960, 116510, 119560, 149744, 163114, 186416, 187180, 213920, 233020, 239120, 299488, 326228, 372832, 374360, 407785, 466040, 478240, 570899, 652456, 748720, 815570, 932080, 1141798, 1304912, 1497440, 1631140, 1864160, 2283596, 2609824, 2854495, 3262280, 4567192, 5708990, 6524560, 9134384, 11417980, 13049120, 18268768, 22835960, 45671920, 91343840]

約数ペア:

[(1, 91343840), (2, 45671920), (4, 22835960), (5, 18268768), (7, 13049120), (8, 11417980), (10, 9134384), (14, 6524560), (16, 5708990), (20, 4567192), (28, 3262280), (32, 2854495), (35, 2609824), (40, 2283596), (49, 1864160), (56, 1631140), (61, 1497440), (70, 1304912), (80, 1141798), (98, 932080), (112, 815570), (122, 748720), (140, 652456), (160, 570899), (191, 478240), (196, 466040), (224, 407785), (244, 374360), (245, 372832), (280, 326228), (305, 299488), (382, 239120), (392, 233020), (427, 213920), (488, 187180), (490, 186416), (560, 163114), (610, 149744), (764, 119560), (784, 116510), (854, 106960), (955, 95648), (976, 93590), (980, 93208), (1120, 81557), (1220, 74872), (1337, 68320), (1528, 59780), (1568, 58255), (1708, 53480), (1910, 47824), (1952, 46795), (1960, 46604), (2135, 42784), (2440, 37436), (2674, 34160), (2989, 30560), (3056, 29890), (3416, 26740), (3820, 23912), (3920, 23302), (4270, 21392), (4880, 18718), (5348, 17080), (5978, 15280), (6112, 14945), (6685, 13664), (6832, 13370), (7640, 11956), (7840, 11651), (8540, 10696), (9359, 9760)]