648778830

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{821}}^1$

素因数の和:962

約数の個数: 128

約数和(自身を含む): 1840859136

約数和(自身を除く): 1192080306

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 53, 70, 71, 105, 106, 142, 159, 210, 213, 265, 318, 355, 371, 426, 497, 530, 710, 742, 795, 821, 994, 1065, 1113, 1491, 1590, 1642, 1855, 2130, 2226, 2463, 2485, 2982, 3710, 3763, 4105, 4926, 4970, 5565, 5747, 7455, 7526, 8210, 11130, 11289, 11494, 12315, 14910, 17241, 18815, 22578, 24630, 26341, 28735, 34482, 37630, 43513, 52682, 56445, 57470, 58291, 79023, 86205, 87026, 112890, 116582, 130539, 131705, 158046, 172410, 174873, 217565, 261078, 263410, 291455, 304591, 349746, 395115, 408037, 435130, 582910, 609182, 652695, 790230, 816074, 874365, 913773, 1224111, 1305390, 1522955, 1748730, 1827546, 2040185, 2448222, 3045910, 3089423, 4080370, 4568865, 6120555, 6178846, 9137730, 9268269, 12241110, 15447115, 18536538, 21625961, 30894230, 43251922, 46341345, 64877883, 92682690, 108129805, 129755766, 216259610, 324389415, 648778830]

約数ペア:

[(1, 648778830), (2, 324389415), (3, 216259610), (5, 129755766), (6, 108129805), (7, 92682690), (10, 64877883), (14, 46341345), (15, 43251922), (21, 30894230), (30, 21625961), (35, 18536538), (42, 15447115), (53, 12241110), (70, 9268269), (71, 9137730), (105, 6178846), (106, 6120555), (142, 4568865), (159, 4080370), (210, 3089423), (213, 3045910), (265, 2448222), (318, 2040185), (355, 1827546), (371, 1748730), (426, 1522955), (497, 1305390), (530, 1224111), (710, 913773), (742, 874365), (795, 816074), (821, 790230), (994, 652695), (1065, 609182), (1113, 582910), (1491, 435130), (1590, 408037), (1642, 395115), (1855, 349746), (2130, 304591), (2226, 291455), (2463, 263410), (2485, 261078), (2982, 217565), (3710, 174873), (3763, 172410), (4105, 158046), (4926, 131705), (4970, 130539), (5565, 116582), (5747, 112890), (7455, 87026), (7526, 86205), (8210, 79023), (11130, 58291), (11289, 57470), (11494, 56445), (12315, 52682), (14910, 43513), (17241, 37630), (18815, 34482), (22578, 28735), (24630, 26341)]