155783680

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:218

約数の個数: 160

約数和(自身を含む): 417973248

約数和(自身を除く): 262189568

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, 151, 155, 160, 208, 248, 256, 260, 302, 310, 320, 403, 416, 496, 512, 520, 604, 620, 640, 755, 806, 832, 992, 1040, 1208, 1240, 1280, 1510, 1612, 1664, 1963, 1984, 2015, 2080, 2416, 2480, 2560, 3020, 3224, 3328, 3926, 3968, 4030, 4160, 4681, 4832, 4960, 6040, 6448, 6656, 7852, 7936, 8060, 8320, 9362, 9664, 9815, 9920, 12080, 12896, 15704, 15872, 16120, 16640, 18724, 19328, 19630, 19840, 23405, 24160, 25792, 31408, 32240, 33280, 37448, 38656, 39260, 39680, 46810, 48320, 51584, 60853, 62816, 64480, 74896, 77312, 78520, 79360, 93620, 96640, 103168, 121706, 125632, 128960, 149792, 157040, 187240, 193280, 206336, 243412, 251264, 257920, 299584, 304265, 314080, 374480, 386560, 486824, 502528, 515840, 599168, 608530, 628160, 748960, 973648, 1005056, 1031680, 1198336, 1217060, 1256320, 1497920, 1947296, 2396672, 2434120, 2512640, 2995840, 3894592, 4868240, 5025280, 5991680, 7789184, 9736480, 11983360, 15578368, 19472960, 31156736, 38945920, 77891840, 155783680]

約数ペア:

[(1, 155783680), (2, 77891840), (4, 38945920), (5, 31156736), (8, 19472960), (10, 15578368), (13, 11983360), (16, 9736480), (20, 7789184), (26, 5991680), (31, 5025280), (32, 4868240), (40, 3894592), (52, 2995840), (62, 2512640), (64, 2434120), (65, 2396672), (80, 1947296), (104, 1497920), (124, 1256320), (128, 1217060), (130, 1198336), (151, 1031680), (155, 1005056), (160, 973648), (208, 748960), (248, 628160), (256, 608530), (260, 599168), (302, 515840), (310, 502528), (320, 486824), (403, 386560), (416, 374480), (496, 314080), (512, 304265), (520, 299584), (604, 257920), (620, 251264), (640, 243412), (755, 206336), (806, 193280), (832, 187240), (992, 157040), (1040, 149792), (1208, 128960), (1240, 125632), (1280, 121706), (1510, 103168), (1612, 96640), (1664, 93620), (1963, 79360), (1984, 78520), (2015, 77312), (2080, 74896), (2416, 64480), (2480, 62816), (2560, 60853), (3020, 51584), (3224, 48320), (3328, 46810), (3926, 39680), (3968, 39260), (4030, 38656), (4160, 37448), (4681, 33280), (4832, 32240), (4960, 31408), (6040, 25792), (6448, 24160), (6656, 23405), (7852, 19840), (7936, 19630), (8060, 19328), (8320, 18724), (9362, 16640), (9664, 16120), (9815, 15872), (9920, 15704), (12080, 12896)]