78707760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:267

約数の個数: 160

約数和(自身を含む): 257126400

約数和(自身を除く): 178418640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 71, 80, 93, 120, 124, 142, 149, 155, 186, 213, 240, 248, 284, 298, 310, 355, 372, 426, 447, 465, 496, 568, 596, 620, 710, 744, 745, 852, 894, 930, 1065, 1136, 1192, 1240, 1420, 1488, 1490, 1704, 1788, 1860, 2130, 2201, 2235, 2384, 2480, 2840, 2980, 3408, 3576, 3720, 4260, 4402, 4470, 4619, 5680, 5960, 6603, 7152, 7440, 8520, 8804, 8940, 9238, 10579, 11005, 11920, 13206, 13857, 17040, 17608, 17880, 18476, 21158, 22010, 23095, 26412, 27714, 31737, 33015, 35216, 35760, 36952, 42316, 44020, 46190, 52824, 52895, 55428, 63474, 66030, 69285, 73904, 84632, 88040, 92380, 105648, 105790, 110856, 126948, 132060, 138570, 158685, 169264, 176080, 184760, 211580, 221712, 253896, 264120, 277140, 317370, 327949, 369520, 423160, 507792, 528240, 554280, 634740, 655898, 846320, 983847, 1108560, 1269480, 1311796, 1639745, 1967694, 2538960, 2623592, 3279490, 3935388, 4919235, 5247184, 6558980, 7870776, 9838470, 13117960, 15741552, 19676940, 26235920, 39353880, 78707760]

約数ペア:

[(1, 78707760), (2, 39353880), (3, 26235920), (4, 19676940), (5, 15741552), (6, 13117960), (8, 9838470), (10, 7870776), (12, 6558980), (15, 5247184), (16, 4919235), (20, 3935388), (24, 3279490), (30, 2623592), (31, 2538960), (40, 1967694), (48, 1639745), (60, 1311796), (62, 1269480), (71, 1108560), (80, 983847), (93, 846320), (120, 655898), (124, 634740), (142, 554280), (149, 528240), (155, 507792), (186, 423160), (213, 369520), (240, 327949), (248, 317370), (284, 277140), (298, 264120), (310, 253896), (355, 221712), (372, 211580), (426, 184760), (447, 176080), (465, 169264), (496, 158685), (568, 138570), (596, 132060), (620, 126948), (710, 110856), (744, 105790), (745, 105648), (852, 92380), (894, 88040), (930, 84632), (1065, 73904), (1136, 69285), (1192, 66030), (1240, 63474), (1420, 55428), (1488, 52895), (1490, 52824), (1704, 46190), (1788, 44020), (1860, 42316), (2130, 36952), (2201, 35760), (2235, 35216), (2384, 33015), (2480, 31737), (2840, 27714), (2980, 26412), (3408, 23095), (3576, 22010), (3720, 21158), (4260, 18476), (4402, 17880), (4470, 17608), (4619, 17040), (5680, 13857), (5960, 13206), (6603, 11920), (7152, 11005), (7440, 10579), (8520, 9238), (8804, 8940)]