201388920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{557}}^1$

素因数の和:725

約数の個数: 128

約数和(自身を含む): 636387840

約数和(自身を除く): 434998920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 131, 138, 184, 230, 262, 276, 345, 393, 460, 524, 552, 557, 655, 690, 786, 920, 1048, 1114, 1310, 1380, 1572, 1671, 1965, 2228, 2620, 2760, 2785, 3013, 3144, 3342, 3930, 4456, 5240, 5570, 6026, 6684, 7860, 8355, 9039, 11140, 12052, 12811, 13368, 15065, 15720, 16710, 18078, 22280, 24104, 25622, 30130, 33420, 36156, 38433, 45195, 51244, 60260, 64055, 66840, 72312, 72967, 76866, 90390, 102488, 120520, 128110, 145934, 153732, 180780, 192165, 218901, 256220, 291868, 307464, 361560, 364835, 384330, 437802, 512440, 583736, 729670, 768660, 875604, 1094505, 1459340, 1537320, 1678241, 1751208, 2189010, 2918680, 3356482, 4378020, 5034723, 6712964, 8391205, 8756040, 10069446, 13425928, 16782410, 20138892, 25173615, 33564820, 40277784, 50347230, 67129640, 100694460, 201388920]

約数ペア:

[(1, 201388920), (2, 100694460), (3, 67129640), (4, 50347230), (5, 40277784), (6, 33564820), (8, 25173615), (10, 20138892), (12, 16782410), (15, 13425928), (20, 10069446), (23, 8756040), (24, 8391205), (30, 6712964), (40, 5034723), (46, 4378020), (60, 3356482), (69, 2918680), (92, 2189010), (115, 1751208), (120, 1678241), (131, 1537320), (138, 1459340), (184, 1094505), (230, 875604), (262, 768660), (276, 729670), (345, 583736), (393, 512440), (460, 437802), (524, 384330), (552, 364835), (557, 361560), (655, 307464), (690, 291868), (786, 256220), (920, 218901), (1048, 192165), (1114, 180780), (1310, 153732), (1380, 145934), (1572, 128110), (1671, 120520), (1965, 102488), (2228, 90390), (2620, 76866), (2760, 72967), (2785, 72312), (3013, 66840), (3144, 64055), (3342, 60260), (3930, 51244), (4456, 45195), (5240, 38433), (5570, 36156), (6026, 33420), (6684, 30130), (7860, 25622), (8355, 24104), (9039, 22280), (11140, 18078), (12052, 16710), (12811, 15720), (13368, 15065)]