30307560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:255

約数の個数: 128

約数和(自身を含む): 96768000

約数和(自身を除く): 66460440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 79, 92, 115, 120, 138, 139, 158, 184, 230, 237, 276, 278, 316, 345, 395, 417, 460, 474, 552, 556, 632, 690, 695, 790, 834, 920, 948, 1112, 1185, 1380, 1390, 1580, 1668, 1817, 1896, 2085, 2370, 2760, 2780, 3160, 3197, 3336, 3634, 4170, 4740, 5451, 5560, 6394, 7268, 8340, 9085, 9480, 9591, 10902, 10981, 12788, 14536, 15985, 16680, 18170, 19182, 21804, 21962, 25576, 27255, 31970, 32943, 36340, 38364, 43608, 43924, 47955, 54510, 54905, 63940, 65886, 72680, 76728, 87848, 95910, 109020, 109810, 127880, 131772, 164715, 191820, 218040, 219620, 252563, 263544, 329430, 383640, 439240, 505126, 658860, 757689, 1010252, 1262815, 1317720, 1515378, 2020504, 2525630, 3030756, 3788445, 5051260, 6061512, 7576890, 10102520, 15153780, 30307560]

約数ペア:

[(1, 30307560), (2, 15153780), (3, 10102520), (4, 7576890), (5, 6061512), (6, 5051260), (8, 3788445), (10, 3030756), (12, 2525630), (15, 2020504), (20, 1515378), (23, 1317720), (24, 1262815), (30, 1010252), (40, 757689), (46, 658860), (60, 505126), (69, 439240), (79, 383640), (92, 329430), (115, 263544), (120, 252563), (138, 219620), (139, 218040), (158, 191820), (184, 164715), (230, 131772), (237, 127880), (276, 109810), (278, 109020), (316, 95910), (345, 87848), (395, 76728), (417, 72680), (460, 65886), (474, 63940), (552, 54905), (556, 54510), (632, 47955), (690, 43924), (695, 43608), (790, 38364), (834, 36340), (920, 32943), (948, 31970), (1112, 27255), (1185, 25576), (1380, 21962), (1390, 21804), (1580, 19182), (1668, 18170), (1817, 16680), (1896, 15985), (2085, 14536), (2370, 12788), (2760, 10981), (2780, 10902), (3160, 9591), (3197, 9480), (3336, 9085), (3634, 8340), (4170, 7268), (4740, 6394), (5451, 5560)]