639992112

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{2063}}^1$

素因数の和:2378

約数の個数: 80

約数和(自身を含む): 1732174848

約数和(自身を除く): 1092182736

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 92, 138, 184, 276, 281, 368, 552, 562, 843, 1104, 1124, 1686, 2063, 2248, 3372, 4126, 4496, 6189, 6463, 6744, 8252, 12378, 12926, 13488, 16504, 19389, 24756, 25852, 33008, 38778, 47449, 49512, 51704, 77556, 94898, 99024, 103408, 142347, 155112, 189796, 284694, 310224, 379592, 569388, 579703, 759184, 1138776, 1159406, 1739109, 2277552, 2318812, 3478218, 4637624, 6956436, 9275248, 13333169, 13912872, 26666338, 27825744, 39999507, 53332676, 79999014, 106665352, 159998028, 213330704, 319996056, 639992112]

約数ペア:

[(1, 639992112), (2, 319996056), (3, 213330704), (4, 159998028), (6, 106665352), (8, 79999014), (12, 53332676), (16, 39999507), (23, 27825744), (24, 26666338), (46, 13912872), (48, 13333169), (69, 9275248), (92, 6956436), (138, 4637624), (184, 3478218), (276, 2318812), (281, 2277552), (368, 1739109), (552, 1159406), (562, 1138776), (843, 759184), (1104, 579703), (1124, 569388), (1686, 379592), (2063, 310224), (2248, 284694), (3372, 189796), (4126, 155112), (4496, 142347), (6189, 103408), (6463, 99024), (6744, 94898), (8252, 77556), (12378, 51704), (12926, 49512), (13488, 47449), (16504, 38778), (19389, 33008), (24756, 25852)]