1521886720

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:332

約数の個数: 160

約数和(自身を含む): 3821469696

約数和(自身を除く): 2299582976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 127, 128, 151, 155, 160, 248, 254, 256, 302, 310, 320, 496, 508, 512, 604, 620, 635, 640, 755, 992, 1016, 1208, 1240, 1270, 1280, 1510, 1984, 2032, 2416, 2480, 2540, 2560, 3020, 3937, 3968, 4064, 4681, 4832, 4960, 5080, 6040, 7874, 7936, 8128, 9362, 9664, 9920, 10160, 12080, 15748, 15872, 16256, 18724, 19177, 19328, 19685, 19840, 20320, 23405, 24160, 31496, 32512, 37448, 38354, 38656, 39370, 39680, 40640, 46810, 48320, 62992, 65024, 74896, 76708, 77312, 78740, 79360, 81280, 93620, 95885, 96640, 125984, 149792, 153416, 157480, 162560, 187240, 191770, 193280, 251968, 299584, 306832, 314960, 325120, 374480, 383540, 386560, 503936, 594487, 599168, 613664, 629920, 748960, 767080, 1007872, 1188974, 1198336, 1227328, 1259840, 1497920, 1534160, 2015744, 2377948, 2396672, 2454656, 2519680, 2972435, 2995840, 3068320, 4755896, 4909312, 5039360, 5944870, 5991680, 6136640, 9511792, 9818624, 10078720, 11889740, 11983360, 12273280, 19023584, 23779480, 24546560, 38047168, 47558960, 49093120, 76094336, 95117920, 152188672, 190235840, 304377344, 380471680, 760943360, 1521886720]

約数ペア:

[(1, 1521886720), (2, 760943360), (4, 380471680), (5, 304377344), (8, 190235840), (10, 152188672), (16, 95117920), (20, 76094336), (31, 49093120), (32, 47558960), (40, 38047168), (62, 24546560), (64, 23779480), (80, 19023584), (124, 12273280), (127, 11983360), (128, 11889740), (151, 10078720), (155, 9818624), (160, 9511792), (248, 6136640), (254, 5991680), (256, 5944870), (302, 5039360), (310, 4909312), (320, 4755896), (496, 3068320), (508, 2995840), (512, 2972435), (604, 2519680), (620, 2454656), (635, 2396672), (640, 2377948), (755, 2015744), (992, 1534160), (1016, 1497920), (1208, 1259840), (1240, 1227328), (1270, 1198336), (1280, 1188974), (1510, 1007872), (1984, 767080), (2032, 748960), (2416, 629920), (2480, 613664), (2540, 599168), (2560, 594487), (3020, 503936), (3937, 386560), (3968, 383540), (4064, 374480), (4681, 325120), (4832, 314960), (4960, 306832), (5080, 299584), (6040, 251968), (7874, 193280), (7936, 191770), (8128, 187240), (9362, 162560), (9664, 157480), (9920, 153416), (10160, 149792), (12080, 125984), (15748, 96640), (15872, 95885), (16256, 93620), (18724, 81280), (19177, 79360), (19328, 78740), (19685, 77312), (19840, 76708), (20320, 74896), (23405, 65024), (24160, 62992), (31496, 48320), (32512, 46810), (37448, 40640), (38354, 39680), (38656, 39370)]