420072072

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1021}}^1$

素因数の和:1147

約数の個数: 128

約数和(自身を含む): 1255833600

約数和(自身を除く): 835761528

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 56, 62, 79, 84, 93, 124, 158, 168, 186, 217, 237, 248, 316, 372, 434, 474, 553, 632, 651, 744, 868, 948, 1021, 1106, 1302, 1659, 1736, 1896, 2042, 2212, 2449, 2604, 3063, 3318, 4084, 4424, 4898, 5208, 6126, 6636, 7147, 7347, 8168, 9796, 12252, 13272, 14294, 14694, 17143, 19592, 21441, 24504, 28588, 29388, 31651, 34286, 42882, 51429, 57176, 58776, 63302, 68572, 80659, 85764, 94953, 102858, 126604, 137144, 161318, 171528, 189906, 205716, 221557, 241977, 253208, 322636, 379812, 411432, 443114, 483954, 564613, 645272, 664671, 759624, 886228, 967908, 1129226, 1329342, 1693839, 1772456, 1935816, 2258452, 2500429, 2658684, 3387678, 4516904, 5000858, 5317368, 6775356, 7501287, 10001716, 13550712, 15002574, 17503003, 20003432, 30005148, 35006006, 52509009, 60010296, 70012012, 105018018, 140024024, 210036036, 420072072]

約数ペア:

[(1, 420072072), (2, 210036036), (3, 140024024), (4, 105018018), (6, 70012012), (7, 60010296), (8, 52509009), (12, 35006006), (14, 30005148), (21, 20003432), (24, 17503003), (28, 15002574), (31, 13550712), (42, 10001716), (56, 7501287), (62, 6775356), (79, 5317368), (84, 5000858), (93, 4516904), (124, 3387678), (158, 2658684), (168, 2500429), (186, 2258452), (217, 1935816), (237, 1772456), (248, 1693839), (316, 1329342), (372, 1129226), (434, 967908), (474, 886228), (553, 759624), (632, 664671), (651, 645272), (744, 564613), (868, 483954), (948, 443114), (1021, 411432), (1106, 379812), (1302, 322636), (1659, 253208), (1736, 241977), (1896, 221557), (2042, 205716), (2212, 189906), (2449, 171528), (2604, 161318), (3063, 137144), (3318, 126604), (4084, 102858), (4424, 94953), (4898, 85764), (5208, 80659), (6126, 68572), (6636, 63302), (7147, 58776), (7347, 57176), (8168, 51429), (9796, 42882), (12252, 34286), (13272, 31651), (14294, 29388), (14694, 28588), (17143, 24504), (19592, 21441)]