128579280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:309

約数の個数: 160

約数和(自身を含む): 416223360

約数和(自身を除く): 287644080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 73, 80, 82, 120, 123, 146, 164, 179, 205, 219, 240, 246, 292, 328, 358, 365, 410, 438, 492, 537, 584, 615, 656, 716, 730, 820, 876, 895, 984, 1074, 1095, 1168, 1230, 1432, 1460, 1640, 1752, 1790, 1968, 2148, 2190, 2460, 2685, 2864, 2920, 2993, 3280, 3504, 3580, 4296, 4380, 4920, 5370, 5840, 5986, 7160, 7339, 8592, 8760, 8979, 9840, 10740, 11972, 13067, 14320, 14678, 14965, 17520, 17958, 21480, 22017, 23944, 26134, 29356, 29930, 35916, 36695, 39201, 42960, 44034, 44895, 47888, 52268, 58712, 59860, 65335, 71832, 73390, 78402, 88068, 89790, 104536, 110085, 117424, 119720, 130670, 143664, 146780, 156804, 176136, 179580, 196005, 209072, 220170, 239440, 261340, 293560, 313608, 352272, 359160, 392010, 440340, 522680, 535747, 587120, 627216, 718320, 784020, 880680, 1045360, 1071494, 1568040, 1607241, 1761360, 2142988, 2678735, 3136080, 3214482, 4285976, 5357470, 6428964, 8036205, 8571952, 10714940, 12857928, 16072410, 21429880, 25715856, 32144820, 42859760, 64289640, 128579280]

約数ペア:

[(1, 128579280), (2, 64289640), (3, 42859760), (4, 32144820), (5, 25715856), (6, 21429880), (8, 16072410), (10, 12857928), (12, 10714940), (15, 8571952), (16, 8036205), (20, 6428964), (24, 5357470), (30, 4285976), (40, 3214482), (41, 3136080), (48, 2678735), (60, 2142988), (73, 1761360), (80, 1607241), (82, 1568040), (120, 1071494), (123, 1045360), (146, 880680), (164, 784020), (179, 718320), (205, 627216), (219, 587120), (240, 535747), (246, 522680), (292, 440340), (328, 392010), (358, 359160), (365, 352272), (410, 313608), (438, 293560), (492, 261340), (537, 239440), (584, 220170), (615, 209072), (656, 196005), (716, 179580), (730, 176136), (820, 156804), (876, 146780), (895, 143664), (984, 130670), (1074, 119720), (1095, 117424), (1168, 110085), (1230, 104536), (1432, 89790), (1460, 88068), (1640, 78402), (1752, 73390), (1790, 71832), (1968, 65335), (2148, 59860), (2190, 58712), (2460, 52268), (2685, 47888), (2864, 44895), (2920, 44034), (2993, 42960), (3280, 39201), (3504, 36695), (3580, 35916), (4296, 29930), (4380, 29356), (4920, 26134), (5370, 23944), (5840, 22017), (5986, 21480), (7160, 17958), (7339, 17520), (8592, 14965), (8760, 14678), (8979, 14320), (9840, 13067), (10740, 11972)]