80615920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{569}}^1$

素因数の和:623

約数の個数: 160

約数和(自身を含む): 244270080

約数和(自身を除く): 163654160

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 23, 28, 35, 40, 44, 46, 55, 56, 70, 77, 80, 88, 92, 110, 112, 115, 140, 154, 161, 176, 184, 220, 230, 253, 280, 308, 322, 368, 385, 440, 460, 506, 560, 569, 616, 644, 770, 805, 880, 920, 1012, 1138, 1232, 1265, 1288, 1540, 1610, 1771, 1840, 2024, 2276, 2530, 2576, 2845, 3080, 3220, 3542, 3983, 4048, 4552, 5060, 5690, 6160, 6259, 6440, 7084, 7966, 8855, 9104, 10120, 11380, 12518, 12880, 13087, 14168, 15932, 17710, 19915, 20240, 22760, 25036, 26174, 28336, 31295, 31864, 35420, 39830, 43813, 45520, 50072, 52348, 62590, 63728, 65435, 70840, 79660, 87626, 91609, 100144, 104696, 125180, 130870, 141680, 143957, 159320, 175252, 183218, 209392, 219065, 250360, 261740, 287914, 318640, 350504, 366436, 438130, 458045, 500720, 523480, 575828, 701008, 719785, 732872, 876260, 916090, 1007699, 1046960, 1151656, 1439570, 1465744, 1752520, 1832180, 2015398, 2303312, 2879140, 3505040, 3664360, 4030796, 5038495, 5758280, 7328720, 8061592, 10076990, 11516560, 16123184, 20153980, 40307960, 80615920]

約数ペア:

[(1, 80615920), (2, 40307960), (4, 20153980), (5, 16123184), (7, 11516560), (8, 10076990), (10, 8061592), (11, 7328720), (14, 5758280), (16, 5038495), (20, 4030796), (22, 3664360), (23, 3505040), (28, 2879140), (35, 2303312), (40, 2015398), (44, 1832180), (46, 1752520), (55, 1465744), (56, 1439570), (70, 1151656), (77, 1046960), (80, 1007699), (88, 916090), (92, 876260), (110, 732872), (112, 719785), (115, 701008), (140, 575828), (154, 523480), (161, 500720), (176, 458045), (184, 438130), (220, 366436), (230, 350504), (253, 318640), (280, 287914), (308, 261740), (322, 250360), (368, 219065), (385, 209392), (440, 183218), (460, 175252), (506, 159320), (560, 143957), (569, 141680), (616, 130870), (644, 125180), (770, 104696), (805, 100144), (880, 91609), (920, 87626), (1012, 79660), (1138, 70840), (1232, 65435), (1265, 63728), (1288, 62590), (1540, 52348), (1610, 50072), (1771, 45520), (1840, 43813), (2024, 39830), (2276, 35420), (2530, 31864), (2576, 31295), (2845, 28336), (3080, 26174), (3220, 25036), (3542, 22760), (3983, 20240), (4048, 19915), (4552, 17710), (5060, 15932), (5690, 14168), (6160, 13087), (6259, 12880), (6440, 12518), (7084, 11380), (7966, 10120), (8855, 9104)]