81706212

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:207

約数の個数: 192

約数和(自身を含む): 261488640

約数和(自身を除く): 179782428

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 27, 28, 36, 37, 42, 46, 54, 63, 69, 74, 84, 92, 108, 111, 126, 127, 138, 148, 161, 189, 207, 222, 252, 254, 259, 276, 322, 333, 378, 381, 414, 444, 483, 508, 518, 621, 644, 666, 756, 762, 777, 828, 851, 889, 966, 999, 1036, 1143, 1242, 1332, 1449, 1524, 1554, 1702, 1778, 1932, 1998, 2286, 2331, 2484, 2553, 2667, 2898, 2921, 3108, 3404, 3429, 3556, 3996, 4347, 4572, 4662, 4699, 5106, 5334, 5796, 5842, 5957, 6858, 6993, 7659, 8001, 8694, 8763, 9324, 9398, 10212, 10668, 11684, 11914, 13716, 13986, 14097, 15318, 16002, 17388, 17526, 17871, 18796, 20447, 22977, 23828, 24003, 26289, 27972, 28194, 30636, 32004, 32893, 35052, 35742, 40894, 42291, 45954, 48006, 52578, 53613, 56388, 61341, 65786, 71484, 78867, 81788, 84582, 91908, 96012, 98679, 105156, 107226, 108077, 122682, 126873, 131572, 157734, 160839, 169164, 184023, 197358, 214452, 216154, 245364, 253746, 296037, 315468, 321678, 324231, 368046, 394716, 432308, 507492, 552069, 592074, 643356, 648462, 736092, 756539, 888111, 972693, 1104138, 1184148, 1296924, 1513078, 1776222, 1945386, 2208276, 2269617, 2918079, 3026156, 3552444, 3890772, 4539234, 5836158, 6808851, 9078468, 11672316, 13617702, 20426553, 27235404, 40853106, 81706212]

約数ペア:

[(1, 81706212), (2, 40853106), (3, 27235404), (4, 20426553), (6, 13617702), (7, 11672316), (9, 9078468), (12, 6808851), (14, 5836158), (18, 4539234), (21, 3890772), (23, 3552444), (27, 3026156), (28, 2918079), (36, 2269617), (37, 2208276), (42, 1945386), (46, 1776222), (54, 1513078), (63, 1296924), (69, 1184148), (74, 1104138), (84, 972693), (92, 888111), (108, 756539), (111, 736092), (126, 648462), (127, 643356), (138, 592074), (148, 552069), (161, 507492), (189, 432308), (207, 394716), (222, 368046), (252, 324231), (254, 321678), (259, 315468), (276, 296037), (322, 253746), (333, 245364), (378, 216154), (381, 214452), (414, 197358), (444, 184023), (483, 169164), (508, 160839), (518, 157734), (621, 131572), (644, 126873), (666, 122682), (756, 108077), (762, 107226), (777, 105156), (828, 98679), (851, 96012), (889, 91908), (966, 84582), (999, 81788), (1036, 78867), (1143, 71484), (1242, 65786), (1332, 61341), (1449, 56388), (1524, 53613), (1554, 52578), (1702, 48006), (1778, 45954), (1932, 42291), (1998, 40894), (2286, 35742), (2331, 35052), (2484, 32893), (2553, 32004), (2667, 30636), (2898, 28194), (2921, 27972), (3108, 26289), (3404, 24003), (3429, 23828), (3556, 22977), (3996, 20447), (4347, 18796), (4572, 17871), (4662, 17526), (4699, 17388), (5106, 16002), (5334, 15318), (5796, 14097), (5842, 13986), (5957, 13716), (6858, 11914), (6993, 11684), (7659, 10668), (8001, 10212), (8694, 9398), (8763, 9324)]