393578040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1\times {\mathrm{251}}^1$

素因数の和:517

約数の個数: 128

約数和(自身を含む): 1208390400

約数和(自身を除く): 814812360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 73, 120, 146, 179, 219, 251, 292, 358, 365, 438, 502, 537, 584, 716, 730, 753, 876, 895, 1004, 1074, 1095, 1255, 1432, 1460, 1506, 1752, 1790, 2008, 2148, 2190, 2510, 2685, 2920, 3012, 3580, 3765, 4296, 4380, 5020, 5370, 6024, 7160, 7530, 8760, 10040, 10740, 13067, 15060, 18323, 21480, 26134, 30120, 36646, 39201, 44929, 52268, 54969, 65335, 73292, 78402, 89858, 91615, 104536, 109938, 130670, 134787, 146584, 156804, 179716, 183230, 196005, 219876, 224645, 261340, 269574, 274845, 313608, 359432, 366460, 392010, 439752, 449290, 522680, 539148, 549690, 673935, 732920, 784020, 898580, 1078296, 1099380, 1347870, 1568040, 1797160, 2198760, 2695740, 3279817, 5391480, 6559634, 9839451, 13119268, 16399085, 19678902, 26238536, 32798170, 39357804, 49197255, 65596340, 78715608, 98394510, 131192680, 196789020, 393578040]

約数ペア:

[(1, 393578040), (2, 196789020), (3, 131192680), (4, 98394510), (5, 78715608), (6, 65596340), (8, 49197255), (10, 39357804), (12, 32798170), (15, 26238536), (20, 19678902), (24, 16399085), (30, 13119268), (40, 9839451), (60, 6559634), (73, 5391480), (120, 3279817), (146, 2695740), (179, 2198760), (219, 1797160), (251, 1568040), (292, 1347870), (358, 1099380), (365, 1078296), (438, 898580), (502, 784020), (537, 732920), (584, 673935), (716, 549690), (730, 539148), (753, 522680), (876, 449290), (895, 439752), (1004, 392010), (1074, 366460), (1095, 359432), (1255, 313608), (1432, 274845), (1460, 269574), (1506, 261340), (1752, 224645), (1790, 219876), (2008, 196005), (2148, 183230), (2190, 179716), (2510, 156804), (2685, 146584), (2920, 134787), (3012, 130670), (3580, 109938), (3765, 104536), (4296, 91615), (4380, 89858), (5020, 78402), (5370, 73292), (6024, 65335), (7160, 54969), (7530, 52268), (8760, 44929), (10040, 39201), (10740, 36646), (13067, 30120), (15060, 26134), (18323, 21480)]