47781580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:140

約数の個数: 192

約数和(自身を含む): 139345920

約数和(自身を除く): 91564340

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 23, 28, 35, 38, 44, 46, 55, 70, 71, 76, 77, 92, 95, 110, 115, 133, 140, 142, 154, 161, 190, 209, 220, 230, 253, 266, 284, 308, 322, 355, 380, 385, 418, 437, 460, 497, 506, 532, 644, 665, 710, 770, 781, 805, 836, 874, 994, 1012, 1045, 1265, 1330, 1349, 1420, 1463, 1540, 1562, 1610, 1633, 1748, 1771, 1988, 2090, 2185, 2485, 2530, 2660, 2698, 2926, 3059, 3124, 3220, 3266, 3542, 3905, 4180, 4370, 4807, 4970, 5060, 5396, 5467, 5852, 6118, 6532, 6745, 7084, 7315, 7810, 8165, 8740, 8855, 9443, 9614, 9940, 10934, 11431, 12236, 13490, 14630, 14839, 15295, 15620, 16330, 17710, 17963, 18886, 19228, 21868, 22862, 24035, 26980, 27335, 29260, 29678, 30590, 31027, 32660, 33649, 35420, 35926, 37772, 45724, 47215, 48070, 54670, 57155, 59356, 61180, 62054, 67298, 71852, 74195, 89815, 94430, 96140, 103873, 109340, 114310, 124108, 125741, 134596, 148390, 155135, 168245, 179630, 188860, 207746, 217189, 228620, 251482, 296780, 310270, 336490, 341297, 359260, 415492, 434378, 502964, 519365, 620540, 628705, 672980, 682594, 868756, 1038730, 1085945, 1257410, 1365188, 1706485, 2077460, 2171890, 2389079, 2514820, 3412970, 4343780, 4778158, 6825940, 9556316, 11945395, 23890790, 47781580]

約数ペア:

[(1, 47781580), (2, 23890790), (4, 11945395), (5, 9556316), (7, 6825940), (10, 4778158), (11, 4343780), (14, 3412970), (19, 2514820), (20, 2389079), (22, 2171890), (23, 2077460), (28, 1706485), (35, 1365188), (38, 1257410), (44, 1085945), (46, 1038730), (55, 868756), (70, 682594), (71, 672980), (76, 628705), (77, 620540), (92, 519365), (95, 502964), (110, 434378), (115, 415492), (133, 359260), (140, 341297), (142, 336490), (154, 310270), (161, 296780), (190, 251482), (209, 228620), (220, 217189), (230, 207746), (253, 188860), (266, 179630), (284, 168245), (308, 155135), (322, 148390), (355, 134596), (380, 125741), (385, 124108), (418, 114310), (437, 109340), (460, 103873), (497, 96140), (506, 94430), (532, 89815), (644, 74195), (665, 71852), (710, 67298), (770, 62054), (781, 61180), (805, 59356), (836, 57155), (874, 54670), (994, 48070), (1012, 47215), (1045, 45724), (1265, 37772), (1330, 35926), (1349, 35420), (1420, 33649), (1463, 32660), (1540, 31027), (1562, 30590), (1610, 29678), (1633, 29260), (1748, 27335), (1771, 26980), (1988, 24035), (2090, 22862), (2185, 21868), (2485, 19228), (2530, 18886), (2660, 17963), (2698, 17710), (2926, 16330), (3059, 15620), (3124, 15295), (3220, 14839), (3266, 14630), (3542, 13490), (3905, 12236), (4180, 11431), (4370, 10934), (4807, 9940), (4970, 9614), (5060, 9443), (5396, 8855), (5467, 8740), (5852, 8165), (6118, 7810), (6532, 7315), (6745, 7084)]