1212820728

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{1117}}^1$

素因数の和:1437

約数の個数: 128

約数和(自身を含む): 3631979520

約数和(自身を除く): 2419158792

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 42, 46, 56, 69, 84, 92, 138, 161, 168, 184, 276, 281, 322, 483, 552, 562, 644, 843, 966, 1117, 1124, 1288, 1686, 1932, 1967, 2234, 2248, 3351, 3372, 3864, 3934, 4468, 5901, 6463, 6702, 6744, 7819, 7868, 8936, 11802, 12926, 13404, 15638, 15736, 19389, 23457, 23604, 25691, 25852, 26808, 31276, 38778, 45241, 46914, 47208, 51382, 51704, 62552, 77073, 77556, 90482, 93828, 102764, 135723, 154146, 155112, 179837, 180964, 187656, 205528, 271446, 308292, 313877, 359674, 361928, 539511, 542892, 616584, 627754, 719348, 941631, 1079022, 1085784, 1255508, 1438696, 1883262, 2158044, 2197139, 2511016, 3766524, 4316088, 4394278, 6591417, 7219171, 7533048, 8788556, 13182834, 14438342, 17577112, 21657513, 26365668, 28876684, 43315026, 50534197, 52731336, 57753368, 86630052, 101068394, 151602591, 173260104, 202136788, 303205182, 404273576, 606410364, 1212820728]

約数ペア:

[(1, 1212820728), (2, 606410364), (3, 404273576), (4, 303205182), (6, 202136788), (7, 173260104), (8, 151602591), (12, 101068394), (14, 86630052), (21, 57753368), (23, 52731336), (24, 50534197), (28, 43315026), (42, 28876684), (46, 26365668), (56, 21657513), (69, 17577112), (84, 14438342), (92, 13182834), (138, 8788556), (161, 7533048), (168, 7219171), (184, 6591417), (276, 4394278), (281, 4316088), (322, 3766524), (483, 2511016), (552, 2197139), (562, 2158044), (644, 1883262), (843, 1438696), (966, 1255508), (1117, 1085784), (1124, 1079022), (1288, 941631), (1686, 719348), (1932, 627754), (1967, 616584), (2234, 542892), (2248, 539511), (3351, 361928), (3372, 359674), (3864, 313877), (3934, 308292), (4468, 271446), (5901, 205528), (6463, 187656), (6702, 180964), (6744, 179837), (7819, 155112), (7868, 154146), (8936, 135723), (11802, 102764), (12926, 93828), (13404, 90482), (15638, 77556), (15736, 77073), (19389, 62552), (23457, 51704), (23604, 51382), (25691, 47208), (25852, 46914), (26808, 45241), (31276, 38778)]