90816880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{641}}^1$

素因数の和:695

約数の個数: 160

約数和(自身を含む): 275125248

約数和(自身を除く): 184308368

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, 616, 641, 644, 770, 805, 880, 920, 1012, 1232, 1265, 1282, 1288, 1540, 1610, 1771, 1840, 2024, 2530, 2564, 2576, 3080, 3205, 3220, 3542, 4048, 4487, 5060, 5128, 6160, 6410, 6440, 7051, 7084, 8855, 8974, 10120, 10256, 12820, 12880, 14102, 14168, 14743, 17710, 17948, 20240, 22435, 25640, 28204, 28336, 29486, 35255, 35420, 35896, 44870, 49357, 51280, 56408, 58972, 70510, 70840, 71792, 73715, 89740, 98714, 103201, 112816, 117944, 141020, 141680, 147430, 162173, 179480, 197428, 206402, 235888, 246785, 282040, 294860, 324346, 358960, 394856, 412804, 493570, 516005, 564080, 589720, 648692, 789712, 810865, 825608, 987140, 1032010, 1135211, 1179440, 1297384, 1621730, 1651216, 1974280, 2064020, 2270422, 2594768, 3243460, 3948560, 4128040, 4540844, 5676055, 6486920, 8256080, 9081688, 11352110, 12973840, 18163376, 22704220, 45408440, 90816880]

約数ペア:

[(1, 90816880), (2, 45408440), (4, 22704220), (5, 18163376), (7, 12973840), (8, 11352110), (10, 9081688), (11, 8256080), (14, 6486920), (16, 5676055), (20, 4540844), (22, 4128040), (23, 3948560), (28, 3243460), (35, 2594768), (40, 2270422), (44, 2064020), (46, 1974280), (55, 1651216), (56, 1621730), (70, 1297384), (77, 1179440), (80, 1135211), (88, 1032010), (92, 987140), (110, 825608), (112, 810865), (115, 789712), (140, 648692), (154, 589720), (161, 564080), (176, 516005), (184, 493570), (220, 412804), (230, 394856), (253, 358960), (280, 324346), (308, 294860), (322, 282040), (368, 246785), (385, 235888), (440, 206402), (460, 197428), (506, 179480), (560, 162173), (616, 147430), (641, 141680), (644, 141020), (770, 117944), (805, 112816), (880, 103201), (920, 98714), (1012, 89740), (1232, 73715), (1265, 71792), (1282, 70840), (1288, 70510), (1540, 58972), (1610, 56408), (1771, 51280), (1840, 49357), (2024, 44870), (2530, 35896), (2564, 35420), (2576, 35255), (3080, 29486), (3205, 28336), (3220, 28204), (3542, 25640), (4048, 22435), (4487, 20240), (5060, 17948), (5128, 17710), (6160, 14743), (6410, 14168), (6440, 14102), (7051, 12880), (7084, 12820), (8855, 10256), (8974, 10120)]