86987320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:317

約数の個数: 128

約数和(自身を含む): 239500800

約数和(自身を除く): 152513480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 83, 95, 133, 140, 152, 166, 190, 197, 266, 280, 332, 380, 394, 415, 532, 581, 664, 665, 760, 788, 830, 985, 1064, 1162, 1330, 1379, 1576, 1577, 1660, 1970, 2324, 2660, 2758, 2905, 3154, 3320, 3743, 3940, 4648, 5320, 5516, 5810, 6308, 6895, 7486, 7880, 7885, 11032, 11039, 11620, 12616, 13790, 14972, 15770, 16351, 18715, 22078, 23240, 26201, 27580, 29944, 31540, 32702, 37430, 44156, 52402, 55160, 55195, 63080, 65404, 74860, 81755, 88312, 104804, 110390, 114457, 130808, 131005, 149720, 163510, 209608, 220780, 228914, 262010, 310669, 327020, 441560, 457828, 524020, 572285, 621338, 654040, 915656, 1048040, 1144570, 1242676, 1553345, 2174683, 2289140, 2485352, 3106690, 4349366, 4578280, 6213380, 8698732, 10873415, 12426760, 17397464, 21746830, 43493660, 86987320]

約数ペア:

[(1, 86987320), (2, 43493660), (4, 21746830), (5, 17397464), (7, 12426760), (8, 10873415), (10, 8698732), (14, 6213380), (19, 4578280), (20, 4349366), (28, 3106690), (35, 2485352), (38, 2289140), (40, 2174683), (56, 1553345), (70, 1242676), (76, 1144570), (83, 1048040), (95, 915656), (133, 654040), (140, 621338), (152, 572285), (166, 524020), (190, 457828), (197, 441560), (266, 327020), (280, 310669), (332, 262010), (380, 228914), (394, 220780), (415, 209608), (532, 163510), (581, 149720), (664, 131005), (665, 130808), (760, 114457), (788, 110390), (830, 104804), (985, 88312), (1064, 81755), (1162, 74860), (1330, 65404), (1379, 63080), (1576, 55195), (1577, 55160), (1660, 52402), (1970, 44156), (2324, 37430), (2660, 32702), (2758, 31540), (2905, 29944), (3154, 27580), (3320, 26201), (3743, 23240), (3940, 22078), (4648, 18715), (5320, 16351), (5516, 15770), (5810, 14972), (6308, 13790), (6895, 12616), (7486, 11620), (7880, 11039), (7885, 11032)]