1255715230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{223}}^1$

素因数の和:422

約数の個数: 128

約数和(自身を含む): 2898395136

約数和(自身を除く): 1642679906

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 71, 77, 103, 110, 142, 154, 206, 223, 355, 385, 446, 497, 515, 710, 721, 770, 781, 994, 1030, 1115, 1133, 1442, 1561, 1562, 2230, 2266, 2453, 2485, 3122, 3605, 3905, 4906, 4970, 5467, 5665, 7210, 7313, 7805, 7810, 7931, 10934, 11330, 12265, 14626, 15610, 15833, 15862, 17171, 22969, 24530, 27335, 31666, 34342, 36565, 39655, 45938, 51191, 54670, 73130, 79165, 79310, 80443, 85855, 102382, 110831, 114845, 158330, 160783, 160886, 171710, 174163, 221662, 229690, 252659, 255955, 321566, 348326, 402215, 505318, 511910, 554155, 563101, 803915, 804430, 870815, 1108310, 1126202, 1219141, 1263295, 1607830, 1630799, 1741630, 1768613, 2438282, 2526590, 2815505, 3261598, 3537226, 5631010, 6095705, 8153995, 8843065, 11415593, 12191410, 16307990, 17686130, 17938789, 22831186, 35877578, 57077965, 89693945, 114155930, 125571523, 179387890, 251143046, 627857615, 1255715230]

約数ペア:

[(1, 1255715230), (2, 627857615), (5, 251143046), (7, 179387890), (10, 125571523), (11, 114155930), (14, 89693945), (22, 57077965), (35, 35877578), (55, 22831186), (70, 17938789), (71, 17686130), (77, 16307990), (103, 12191410), (110, 11415593), (142, 8843065), (154, 8153995), (206, 6095705), (223, 5631010), (355, 3537226), (385, 3261598), (446, 2815505), (497, 2526590), (515, 2438282), (710, 1768613), (721, 1741630), (770, 1630799), (781, 1607830), (994, 1263295), (1030, 1219141), (1115, 1126202), (1133, 1108310), (1442, 870815), (1561, 804430), (1562, 803915), (2230, 563101), (2266, 554155), (2453, 511910), (2485, 505318), (3122, 402215), (3605, 348326), (3905, 321566), (4906, 255955), (4970, 252659), (5467, 229690), (5665, 221662), (7210, 174163), (7313, 171710), (7805, 160886), (7810, 160783), (7931, 158330), (10934, 114845), (11330, 110831), (12265, 102382), (14626, 85855), (15610, 80443), (15833, 79310), (15862, 79165), (17171, 73130), (22969, 54670), (24530, 51191), (27335, 45938), (31666, 39655), (34342, 36565)]