66819780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:258

約数の個数: 144

約数和(自身を含む): 212459520

約数和(自身を除く): 145639740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 79, 90, 111, 127, 148, 158, 180, 185, 222, 237, 254, 316, 333, 370, 381, 395, 444, 474, 508, 555, 635, 666, 711, 740, 762, 790, 948, 1110, 1143, 1185, 1270, 1332, 1422, 1524, 1580, 1665, 1905, 2220, 2286, 2370, 2540, 2844, 2923, 3330, 3555, 3810, 4572, 4699, 4740, 5715, 5846, 6660, 7110, 7620, 8769, 9398, 10033, 11430, 11692, 14097, 14220, 14615, 17538, 18796, 20066, 22860, 23495, 26307, 28194, 29230, 30099, 35076, 40132, 42291, 43845, 46990, 50165, 52614, 56388, 58460, 60198, 70485, 84582, 87690, 90297, 93980, 100330, 105228, 120396, 131535, 140970, 150495, 169164, 175380, 180594, 200660, 211455, 263070, 281940, 300990, 361188, 371221, 422910, 451485, 526140, 601980, 742442, 845820, 902970, 1113663, 1484884, 1805940, 1856105, 2227326, 3340989, 3712210, 4454652, 5568315, 6681978, 7424420, 11136630, 13363956, 16704945, 22273260, 33409890, 66819780]

約数ペア:

[(1, 66819780), (2, 33409890), (3, 22273260), (4, 16704945), (5, 13363956), (6, 11136630), (9, 7424420), (10, 6681978), (12, 5568315), (15, 4454652), (18, 3712210), (20, 3340989), (30, 2227326), (36, 1856105), (37, 1805940), (45, 1484884), (60, 1113663), (74, 902970), (79, 845820), (90, 742442), (111, 601980), (127, 526140), (148, 451485), (158, 422910), (180, 371221), (185, 361188), (222, 300990), (237, 281940), (254, 263070), (316, 211455), (333, 200660), (370, 180594), (381, 175380), (395, 169164), (444, 150495), (474, 140970), (508, 131535), (555, 120396), (635, 105228), (666, 100330), (711, 93980), (740, 90297), (762, 87690), (790, 84582), (948, 70485), (1110, 60198), (1143, 58460), (1185, 56388), (1270, 52614), (1332, 50165), (1422, 46990), (1524, 43845), (1580, 42291), (1665, 40132), (1905, 35076), (2220, 30099), (2286, 29230), (2370, 28194), (2540, 26307), (2844, 23495), (2923, 22860), (3330, 20066), (3555, 18796), (3810, 17538), (4572, 14615), (4699, 14220), (4740, 14097), (5715, 11692), (5846, 11430), (6660, 10033), (7110, 9398), (7620, 8769)]