638577432

素因数分解:

$2^3\times 3^4\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{383}}^1$

素因数の和:515

約数の個数: 160

約数和(自身を含む): 1873428480

約数和(自身を除く): 1234851048

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 31, 36, 54, 62, 72, 81, 83, 93, 108, 124, 162, 166, 186, 216, 248, 249, 279, 324, 332, 372, 383, 498, 558, 648, 664, 744, 747, 766, 837, 996, 1116, 1149, 1494, 1532, 1674, 1992, 2232, 2241, 2298, 2511, 2573, 2988, 3064, 3348, 3447, 4482, 4596, 5022, 5146, 5976, 6696, 6723, 6894, 7719, 8964, 9192, 10044, 10292, 10341, 11873, 13446, 13788, 15438, 17928, 20088, 20584, 20682, 23157, 23746, 26892, 27576, 30876, 31023, 31789, 35619, 41364, 46314, 47492, 53784, 61752, 62046, 63578, 69471, 71238, 82728, 92628, 94984, 95367, 106857, 124092, 127156, 138942, 142476, 185256, 190734, 208413, 213714, 248184, 254312, 277884, 284952, 286101, 320571, 381468, 416826, 427428, 555768, 572202, 641142, 762936, 833652, 854856, 858303, 961713, 985459, 1144404, 1282284, 1667304, 1716606, 1923426, 1970918, 2288808, 2564568, 2574909, 2956377, 3433212, 3846852, 3941836, 5149818, 5912754, 6866424, 7693704, 7883672, 8869131, 10299636, 11825508, 17738262, 20599272, 23651016, 26607393, 35476524, 53214786, 70953048, 79822179, 106429572, 159644358, 212859144, 319288716, 638577432]

約数ペア:

[(1, 638577432), (2, 319288716), (3, 212859144), (4, 159644358), (6, 106429572), (8, 79822179), (9, 70953048), (12, 53214786), (18, 35476524), (24, 26607393), (27, 23651016), (31, 20599272), (36, 17738262), (54, 11825508), (62, 10299636), (72, 8869131), (81, 7883672), (83, 7693704), (93, 6866424), (108, 5912754), (124, 5149818), (162, 3941836), (166, 3846852), (186, 3433212), (216, 2956377), (248, 2574909), (249, 2564568), (279, 2288808), (324, 1970918), (332, 1923426), (372, 1716606), (383, 1667304), (498, 1282284), (558, 1144404), (648, 985459), (664, 961713), (744, 858303), (747, 854856), (766, 833652), (837, 762936), (996, 641142), (1116, 572202), (1149, 555768), (1494, 427428), (1532, 416826), (1674, 381468), (1992, 320571), (2232, 286101), (2241, 284952), (2298, 277884), (2511, 254312), (2573, 248184), (2988, 213714), (3064, 208413), (3348, 190734), (3447, 185256), (4482, 142476), (4596, 138942), (5022, 127156), (5146, 124092), (5976, 106857), (6696, 95367), (6723, 94984), (6894, 92628), (7719, 82728), (8964, 71238), (9192, 69471), (10044, 63578), (10292, 62046), (10341, 61752), (11873, 53784), (13446, 47492), (13788, 46314), (15438, 41364), (17928, 35619), (20088, 31789), (20584, 31023), (20682, 30876), (23157, 27576), (23746, 26892)]