245489640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:129

約数の個数: 256

約数和(自身を含む): 853804800

約数和(自身を除く): 608315160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 29, 30, 33, 40, 44, 53, 55, 58, 60, 66, 87, 88, 106, 110, 116, 120, 121, 132, 145, 159, 165, 174, 212, 220, 232, 242, 264, 265, 290, 318, 319, 330, 348, 363, 424, 435, 440, 484, 530, 580, 583, 605, 636, 638, 660, 696, 726, 795, 870, 957, 968, 1060, 1160, 1166, 1210, 1272, 1276, 1320, 1331, 1452, 1537, 1590, 1595, 1740, 1749, 1815, 1914, 2120, 2332, 2420, 2552, 2662, 2904, 2915, 3074, 3180, 3190, 3480, 3498, 3509, 3630, 3828, 3993, 4611, 4664, 4785, 4840, 5324, 5830, 6148, 6360, 6380, 6413, 6655, 6996, 7018, 7260, 7656, 7685, 7986, 8745, 9222, 9570, 10527, 10648, 11660, 12296, 12760, 12826, 13310, 13992, 14036, 14520, 15370, 15972, 16907, 17490, 17545, 18444, 19140, 19239, 19965, 21054, 23055, 23320, 25652, 26620, 28072, 30740, 31944, 32065, 33814, 34980, 35090, 36888, 38280, 38478, 38599, 39930, 42108, 46110, 50721, 51304, 52635, 53240, 61480, 64130, 67628, 69960, 70180, 70543, 76956, 77198, 79860, 84216, 84535, 92220, 96195, 101442, 105270, 115797, 128260, 135256, 140360, 141086, 153912, 154396, 159720, 169070, 184440, 185977, 192390, 192995, 202884, 210540, 211629, 231594, 253605, 256520, 282172, 308792, 338140, 352715, 371954, 384780, 385990, 405768, 421080, 423258, 463188, 507210, 557931, 564344, 578985, 676280, 705430, 743908, 769560, 771980, 846516, 926376, 929885, 1014420, 1058145, 1115862, 1157970, 1410860, 1487816, 1543960, 1693032, 1859770, 2028840, 2045747, 2116290, 2231724, 2315940, 2789655, 2821720, 3719540, 4091494, 4232580, 4463448, 4631880, 5579310, 6137241, 7439080, 8182988, 8465160, 10228735, 11158620, 12274482, 16365976, 20457470, 22317240, 24548964, 30686205, 40914940, 49097928, 61372410, 81829880, 122744820, 245489640]

約数ペア:

[(1, 245489640), (2, 122744820), (3, 81829880), (4, 61372410), (5, 49097928), (6, 40914940), (8, 30686205), (10, 24548964), (11, 22317240), (12, 20457470), (15, 16365976), (20, 12274482), (22, 11158620), (24, 10228735), (29, 8465160), (30, 8182988), (33, 7439080), (40, 6137241), (44, 5579310), (53, 4631880), (55, 4463448), (58, 4232580), (60, 4091494), (66, 3719540), (87, 2821720), (88, 2789655), (106, 2315940), (110, 2231724), (116, 2116290), (120, 2045747), (121, 2028840), (132, 1859770), (145, 1693032), (159, 1543960), (165, 1487816), (174, 1410860), (212, 1157970), (220, 1115862), (232, 1058145), (242, 1014420), (264, 929885), (265, 926376), (290, 846516), (318, 771980), (319, 769560), (330, 743908), (348, 705430), (363, 676280), (424, 578985), (435, 564344), (440, 557931), (484, 507210), (530, 463188), (580, 423258), (583, 421080), (605, 405768), (636, 385990), (638, 384780), (660, 371954), (696, 352715), (726, 338140), (795, 308792), (870, 282172), (957, 256520), (968, 253605), (1060, 231594), (1160, 211629), (1166, 210540), (1210, 202884), (1272, 192995), (1276, 192390), (1320, 185977), (1331, 184440), (1452, 169070), (1537, 159720), (1590, 154396), (1595, 153912), (1740, 141086), (1749, 140360), (1815, 135256), (1914, 128260), (2120, 115797), (2332, 105270), (2420, 101442), (2552, 96195), (2662, 92220), (2904, 84535), (2915, 84216), (3074, 79860), (3180, 77198), (3190, 76956), (3480, 70543), (3498, 70180), (3509, 69960), (3630, 67628), (3828, 64130), (3993, 61480), (4611, 53240), (4664, 52635), (4785, 51304), (4840, 50721), (5324, 46110), (5830, 42108), (6148, 39930), (6360, 38599), (6380, 38478), (6413, 38280), (6655, 36888), (6996, 35090), (7018, 34980), (7260, 33814), (7656, 32065), (7685, 31944), (7986, 30740), (8745, 28072), (9222, 26620), (9570, 25652), (10527, 23320), (10648, 23055), (11660, 21054), (12296, 19965), (12760, 19239), (12826, 19140), (13310, 18444), (13992, 17545), (14036, 17490), (14520, 16907), (15370, 15972)]