31227560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{373}}^1$

素因数の和:427

約数の個数: 128

約数和(自身を含む): 90478080

約数和(自身を除く): 59250520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 23, 26, 28, 35, 40, 46, 52, 56, 65, 70, 91, 92, 104, 115, 130, 140, 161, 182, 184, 230, 260, 280, 299, 322, 364, 373, 455, 460, 520, 598, 644, 728, 746, 805, 910, 920, 1196, 1288, 1492, 1495, 1610, 1820, 1865, 2093, 2392, 2611, 2984, 2990, 3220, 3640, 3730, 4186, 4849, 5222, 5980, 6440, 7460, 8372, 8579, 9698, 10444, 10465, 11960, 13055, 14920, 16744, 17158, 19396, 20888, 20930, 24245, 26110, 33943, 34316, 38792, 41860, 42895, 48490, 52220, 60053, 67886, 68632, 83720, 85790, 96980, 104440, 111527, 120106, 135772, 169715, 171580, 193960, 223054, 240212, 271544, 300265, 339430, 343160, 446108, 480424, 557635, 600530, 678860, 780689, 892216, 1115270, 1201060, 1357720, 1561378, 2230540, 2402120, 3122756, 3903445, 4461080, 6245512, 7806890, 15613780, 31227560]

約数ペア:

[(1, 31227560), (2, 15613780), (4, 7806890), (5, 6245512), (7, 4461080), (8, 3903445), (10, 3122756), (13, 2402120), (14, 2230540), (20, 1561378), (23, 1357720), (26, 1201060), (28, 1115270), (35, 892216), (40, 780689), (46, 678860), (52, 600530), (56, 557635), (65, 480424), (70, 446108), (91, 343160), (92, 339430), (104, 300265), (115, 271544), (130, 240212), (140, 223054), (161, 193960), (182, 171580), (184, 169715), (230, 135772), (260, 120106), (280, 111527), (299, 104440), (322, 96980), (364, 85790), (373, 83720), (455, 68632), (460, 67886), (520, 60053), (598, 52220), (644, 48490), (728, 42895), (746, 41860), (805, 38792), (910, 34316), (920, 33943), (1196, 26110), (1288, 24245), (1492, 20930), (1495, 20888), (1610, 19396), (1820, 17158), (1865, 16744), (2093, 14920), (2392, 13055), (2611, 11960), (2984, 10465), (2990, 10444), (3220, 9698), (3640, 8579), (3730, 8372), (4186, 7460), (4849, 6440), (5222, 5980)]