87659440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:179

約数の個数: 160

約数和(自身を含む): 239127552

約数和(自身を除く): 151468112

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 61, 71, 80, 88, 92, 110, 115, 122, 142, 176, 184, 220, 230, 244, 253, 284, 305, 355, 368, 440, 460, 488, 506, 568, 610, 671, 710, 781, 880, 920, 976, 1012, 1136, 1220, 1265, 1342, 1403, 1420, 1562, 1633, 1840, 2024, 2440, 2530, 2684, 2806, 2840, 3124, 3266, 3355, 3905, 4048, 4331, 4880, 5060, 5368, 5612, 5680, 6248, 6532, 6710, 7015, 7810, 8165, 8662, 10120, 10736, 11224, 12496, 13064, 13420, 14030, 15433, 15620, 16330, 17324, 17963, 20240, 21655, 22448, 26128, 26840, 28060, 30866, 31240, 32660, 34648, 35926, 43310, 47641, 53680, 56120, 61732, 62480, 65320, 69296, 71852, 77165, 86620, 89815, 95282, 99613, 112240, 123464, 130640, 143704, 154330, 173240, 179630, 190564, 199226, 238205, 246928, 287408, 308660, 346480, 359260, 381128, 398452, 476410, 498065, 617320, 718520, 762256, 796904, 952820, 996130, 1095743, 1234640, 1437040, 1593808, 1905640, 1992260, 2191486, 3811280, 3984520, 4382972, 5478715, 7969040, 8765944, 10957430, 17531888, 21914860, 43829720, 87659440]

約数ペア:

[(1, 87659440), (2, 43829720), (4, 21914860), (5, 17531888), (8, 10957430), (10, 8765944), (11, 7969040), (16, 5478715), (20, 4382972), (22, 3984520), (23, 3811280), (40, 2191486), (44, 1992260), (46, 1905640), (55, 1593808), (61, 1437040), (71, 1234640), (80, 1095743), (88, 996130), (92, 952820), (110, 796904), (115, 762256), (122, 718520), (142, 617320), (176, 498065), (184, 476410), (220, 398452), (230, 381128), (244, 359260), (253, 346480), (284, 308660), (305, 287408), (355, 246928), (368, 238205), (440, 199226), (460, 190564), (488, 179630), (506, 173240), (568, 154330), (610, 143704), (671, 130640), (710, 123464), (781, 112240), (880, 99613), (920, 95282), (976, 89815), (1012, 86620), (1136, 77165), (1220, 71852), (1265, 69296), (1342, 65320), (1403, 62480), (1420, 61732), (1562, 56120), (1633, 53680), (1840, 47641), (2024, 43310), (2440, 35926), (2530, 34648), (2684, 32660), (2806, 31240), (2840, 30866), (3124, 28060), (3266, 26840), (3355, 26128), (3905, 22448), (4048, 21655), (4331, 20240), (4880, 17963), (5060, 17324), (5368, 16330), (5612, 15620), (5680, 15433), (6248, 14030), (6532, 13420), (6710, 13064), (7015, 12496), (7810, 11224), (8165, 10736), (8662, 10120)]