30724540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:379

約数の個数: 96

約数和(自身を含む): 81865728

約数和(自身を除く): 51141188

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 71, 77, 110, 140, 142, 154, 220, 281, 284, 308, 355, 385, 497, 562, 710, 770, 781, 994, 1124, 1405, 1420, 1540, 1562, 1967, 1988, 2485, 2810, 3091, 3124, 3905, 3934, 4970, 5467, 5620, 6182, 7810, 7868, 9835, 9940, 10934, 12364, 15455, 15620, 19670, 19951, 21637, 21868, 27335, 30910, 39340, 39902, 43274, 54670, 61820, 79804, 86548, 99755, 108185, 109340, 139657, 199510, 216370, 219461, 279314, 399020, 432740, 438922, 558628, 698285, 877844, 1097305, 1396570, 1536227, 2194610, 2793140, 3072454, 4389220, 6144908, 7681135, 15362270, 30724540]

約数ペア:

[(1, 30724540), (2, 15362270), (4, 7681135), (5, 6144908), (7, 4389220), (10, 3072454), (11, 2793140), (14, 2194610), (20, 1536227), (22, 1396570), (28, 1097305), (35, 877844), (44, 698285), (55, 558628), (70, 438922), (71, 432740), (77, 399020), (110, 279314), (140, 219461), (142, 216370), (154, 199510), (220, 139657), (281, 109340), (284, 108185), (308, 99755), (355, 86548), (385, 79804), (497, 61820), (562, 54670), (710, 43274), (770, 39902), (781, 39340), (994, 30910), (1124, 27335), (1405, 21868), (1420, 21637), (1540, 19951), (1562, 19670), (1967, 15620), (1988, 15455), (2485, 12364), (2810, 10934), (3091, 9940), (3124, 9835), (3905, 7868), (3934, 7810), (4970, 6182), (5467, 5620)]