391006720

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:446

約数の個数: 160

約数和(自身を含む): 1044933120

約数和(自身を除く): 653926400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 256, 260, 310, 320, 379, 403, 416, 496, 512, 520, 620, 640, 758, 806, 832, 992, 1040, 1240, 1280, 1516, 1612, 1664, 1895, 1984, 2015, 2080, 2480, 2560, 3032, 3224, 3328, 3790, 3968, 4030, 4160, 4927, 4960, 6064, 6448, 6656, 7580, 7936, 8060, 8320, 9854, 9920, 11749, 12128, 12896, 15160, 15872, 16120, 16640, 19708, 19840, 23498, 24256, 24635, 25792, 30320, 32240, 33280, 39416, 39680, 46996, 48512, 49270, 51584, 58745, 60640, 64480, 78832, 79360, 93992, 97024, 98540, 103168, 117490, 121280, 128960, 152737, 157664, 187984, 194048, 197080, 206336, 234980, 242560, 257920, 305474, 315328, 375968, 394160, 469960, 485120, 515840, 610948, 630656, 751936, 763685, 788320, 939920, 970240, 1031680, 1221896, 1261312, 1503872, 1527370, 1576640, 1879840, 2443792, 2522624, 3007744, 3054740, 3153280, 3759680, 4887584, 6015488, 6109480, 6306560, 7519360, 9775168, 12218960, 12613120, 15038720, 19550336, 24437920, 30077440, 39100672, 48875840, 78201344, 97751680, 195503360, 391006720]

約数ペア:

[(1, 391006720), (2, 195503360), (4, 97751680), (5, 78201344), (8, 48875840), (10, 39100672), (13, 30077440), (16, 24437920), (20, 19550336), (26, 15038720), (31, 12613120), (32, 12218960), (40, 9775168), (52, 7519360), (62, 6306560), (64, 6109480), (65, 6015488), (80, 4887584), (104, 3759680), (124, 3153280), (128, 3054740), (130, 3007744), (155, 2522624), (160, 2443792), (208, 1879840), (248, 1576640), (256, 1527370), (260, 1503872), (310, 1261312), (320, 1221896), (379, 1031680), (403, 970240), (416, 939920), (496, 788320), (512, 763685), (520, 751936), (620, 630656), (640, 610948), (758, 515840), (806, 485120), (832, 469960), (992, 394160), (1040, 375968), (1240, 315328), (1280, 305474), (1516, 257920), (1612, 242560), (1664, 234980), (1895, 206336), (1984, 197080), (2015, 194048), (2080, 187984), (2480, 157664), (2560, 152737), (3032, 128960), (3224, 121280), (3328, 117490), (3790, 103168), (3968, 98540), (4030, 97024), (4160, 93992), (4927, 79360), (4960, 78832), (6064, 64480), (6448, 60640), (6656, 58745), (7580, 51584), (7936, 49270), (8060, 48512), (8320, 46996), (9854, 39680), (9920, 39416), (11749, 33280), (12128, 32240), (12896, 30320), (15160, 25792), (15872, 24635), (16120, 24256), (16640, 23498), (19708, 19840)]