1561752120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{2729}}^1$

素因数の和:3013

約数の個数: 128

約数和(自身を含む): 4953312000

約数和(自身を除く): 3391559880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 251, 285, 380, 456, 502, 570, 753, 760, 1004, 1140, 1255, 1506, 2008, 2280, 2510, 2729, 3012, 3765, 4769, 5020, 5458, 6024, 7530, 8187, 9538, 10040, 10916, 13645, 14307, 15060, 16374, 19076, 21832, 23845, 27290, 28614, 30120, 32748, 38152, 40935, 47690, 51851, 54580, 57228, 65496, 71535, 81870, 95380, 103702, 109160, 114456, 143070, 155553, 163740, 190760, 207404, 259255, 286140, 311106, 327480, 414808, 518510, 572280, 622212, 684979, 777765, 1037020, 1244424, 1369958, 1555530, 2054937, 2074040, 2739916, 3111060, 3424895, 4109874, 5479832, 6222120, 6849790, 8219748, 10274685, 13014601, 13699580, 16439496, 20549370, 26029202, 27399160, 39043803, 41098740, 52058404, 65073005, 78087606, 82197480, 104116808, 130146010, 156175212, 195219015, 260292020, 312350424, 390438030, 520584040, 780876060, 1561752120]

約数ペア:

[(1, 1561752120), (2, 780876060), (3, 520584040), (4, 390438030), (5, 312350424), (6, 260292020), (8, 195219015), (10, 156175212), (12, 130146010), (15, 104116808), (19, 82197480), (20, 78087606), (24, 65073005), (30, 52058404), (38, 41098740), (40, 39043803), (57, 27399160), (60, 26029202), (76, 20549370), (95, 16439496), (114, 13699580), (120, 13014601), (152, 10274685), (190, 8219748), (228, 6849790), (251, 6222120), (285, 5479832), (380, 4109874), (456, 3424895), (502, 3111060), (570, 2739916), (753, 2074040), (760, 2054937), (1004, 1555530), (1140, 1369958), (1255, 1244424), (1506, 1037020), (2008, 777765), (2280, 684979), (2510, 622212), (2729, 572280), (3012, 518510), (3765, 414808), (4769, 327480), (5020, 311106), (5458, 286140), (6024, 259255), (7530, 207404), (8187, 190760), (9538, 163740), (10040, 155553), (10916, 143070), (13645, 114456), (14307, 109160), (15060, 103702), (16374, 95380), (19076, 81870), (21832, 71535), (23845, 65496), (27290, 57228), (28614, 54580), (30120, 51851), (32748, 47690), (38152, 40935)]