81022560

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:261

約数の個数: 192

約数和(自身を含む): 274337280

約数和(自身を除く): 193314720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 41, 46, 48, 60, 69, 80, 82, 92, 96, 115, 120, 123, 138, 160, 164, 179, 184, 205, 230, 240, 246, 276, 328, 345, 358, 368, 410, 460, 480, 492, 537, 552, 615, 656, 690, 716, 736, 820, 895, 920, 943, 984, 1074, 1104, 1230, 1312, 1380, 1432, 1640, 1790, 1840, 1886, 1968, 2148, 2208, 2460, 2685, 2760, 2829, 2864, 3280, 3580, 3680, 3772, 3936, 4117, 4296, 4715, 4920, 5370, 5520, 5658, 5728, 6560, 7160, 7339, 7544, 8234, 8592, 9430, 9840, 10740, 11040, 11316, 12351, 14145, 14320, 14678, 15088, 16468, 17184, 18860, 19680, 20585, 21480, 22017, 22632, 24702, 28290, 28640, 29356, 30176, 32936, 36695, 37720, 41170, 42960, 44034, 45264, 49404, 56580, 58712, 61755, 65872, 73390, 75440, 82340, 85920, 88068, 90528, 98808, 110085, 113160, 117424, 123510, 131744, 146780, 150880, 164680, 168797, 176136, 197616, 220170, 226320, 234848, 247020, 293560, 329360, 337594, 352272, 395232, 440340, 452640, 494040, 506391, 587120, 658720, 675188, 704544, 843985, 880680, 988080, 1012782, 1174240, 1350376, 1687970, 1761360, 1976160, 2025564, 2531955, 2700752, 3375940, 3522720, 4051128, 5063910, 5401504, 6751880, 8102256, 10127820, 13503760, 16204512, 20255640, 27007520, 40511280, 81022560]

約数ペア:

[(1, 81022560), (2, 40511280), (3, 27007520), (4, 20255640), (5, 16204512), (6, 13503760), (8, 10127820), (10, 8102256), (12, 6751880), (15, 5401504), (16, 5063910), (20, 4051128), (23, 3522720), (24, 3375940), (30, 2700752), (32, 2531955), (40, 2025564), (41, 1976160), (46, 1761360), (48, 1687970), (60, 1350376), (69, 1174240), (80, 1012782), (82, 988080), (92, 880680), (96, 843985), (115, 704544), (120, 675188), (123, 658720), (138, 587120), (160, 506391), (164, 494040), (179, 452640), (184, 440340), (205, 395232), (230, 352272), (240, 337594), (246, 329360), (276, 293560), (328, 247020), (345, 234848), (358, 226320), (368, 220170), (410, 197616), (460, 176136), (480, 168797), (492, 164680), (537, 150880), (552, 146780), (615, 131744), (656, 123510), (690, 117424), (716, 113160), (736, 110085), (820, 98808), (895, 90528), (920, 88068), (943, 85920), (984, 82340), (1074, 75440), (1104, 73390), (1230, 65872), (1312, 61755), (1380, 58712), (1432, 56580), (1640, 49404), (1790, 45264), (1840, 44034), (1886, 42960), (1968, 41170), (2148, 37720), (2208, 36695), (2460, 32936), (2685, 30176), (2760, 29356), (2829, 28640), (2864, 28290), (3280, 24702), (3580, 22632), (3680, 22017), (3772, 21480), (3936, 20585), (4117, 19680), (4296, 18860), (4715, 17184), (4920, 16468), (5370, 15088), (5520, 14678), (5658, 14320), (5728, 14145), (6560, 12351), (7160, 11316), (7339, 11040), (7544, 10740), (8234, 9840), (8592, 9430)]