208991640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1$

素因数の和:698

約数の個数: 256

約数和(自身を含む): 776563200

約数和(自身を除く): 567571560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 19, 20, 22, 24, 26, 30, 33, 38, 39, 40, 44, 52, 55, 57, 60, 65, 66, 76, 78, 88, 95, 104, 110, 114, 120, 130, 132, 143, 152, 156, 165, 190, 195, 209, 220, 228, 247, 260, 264, 285, 286, 312, 330, 380, 390, 418, 429, 440, 456, 494, 520, 570, 572, 627, 641, 660, 715, 741, 760, 780, 836, 858, 988, 1045, 1140, 1144, 1235, 1254, 1282, 1320, 1430, 1482, 1560, 1672, 1716, 1923, 1976, 2090, 2145, 2280, 2470, 2508, 2564, 2717, 2860, 2964, 3135, 3205, 3432, 3705, 3846, 4180, 4290, 4940, 5016, 5128, 5434, 5720, 5928, 6270, 6410, 7051, 7410, 7692, 8151, 8333, 8360, 8580, 9615, 9880, 10868, 12179, 12540, 12820, 13585, 14102, 14820, 15384, 16302, 16666, 17160, 19230, 21153, 21736, 24358, 24999, 25080, 25640, 27170, 28204, 29640, 32604, 33332, 35255, 36537, 38460, 40755, 41665, 42306, 48716, 49998, 54340, 56408, 60895, 65208, 66664, 70510, 73074, 76920, 81510, 83330, 84612, 91663, 97432, 99996, 105765, 108680, 121790, 124995, 133969, 141020, 146148, 158327, 163020, 166660, 169224, 182685, 183326, 199992, 211530, 243580, 249990, 267938, 274989, 282040, 292296, 316654, 326040, 333320, 365370, 366652, 401907, 423060, 458315, 474981, 487160, 499980, 535876, 549978, 633308, 669845, 730740, 733304, 791635, 803814, 846120, 916630, 949962, 999960, 1071752, 1099956, 1266616, 1339690, 1374945, 1461480, 1583270, 1607628, 1741597, 1833260, 1899924, 2009535, 2199912, 2374905, 2679380, 2749890, 3166540, 3215256, 3483194, 3666520, 3799848, 4019070, 4749810, 5224791, 5358760, 5499780, 6333080, 6966388, 8038140, 8707985, 9499620, 10449582, 10999560, 13932776, 16076280, 17415970, 18999240, 20899164, 26123955, 34831940, 41798328, 52247910, 69663880, 104495820, 208991640]

約数ペア:

[(1, 208991640), (2, 104495820), (3, 69663880), (4, 52247910), (5, 41798328), (6, 34831940), (8, 26123955), (10, 20899164), (11, 18999240), (12, 17415970), (13, 16076280), (15, 13932776), (19, 10999560), (20, 10449582), (22, 9499620), (24, 8707985), (26, 8038140), (30, 6966388), (33, 6333080), (38, 5499780), (39, 5358760), (40, 5224791), (44, 4749810), (52, 4019070), (55, 3799848), (57, 3666520), (60, 3483194), (65, 3215256), (66, 3166540), (76, 2749890), (78, 2679380), (88, 2374905), (95, 2199912), (104, 2009535), (110, 1899924), (114, 1833260), (120, 1741597), (130, 1607628), (132, 1583270), (143, 1461480), (152, 1374945), (156, 1339690), (165, 1266616), (190, 1099956), (195, 1071752), (209, 999960), (220, 949962), (228, 916630), (247, 846120), (260, 803814), (264, 791635), (285, 733304), (286, 730740), (312, 669845), (330, 633308), (380, 549978), (390, 535876), (418, 499980), (429, 487160), (440, 474981), (456, 458315), (494, 423060), (520, 401907), (570, 366652), (572, 365370), (627, 333320), (641, 326040), (660, 316654), (715, 292296), (741, 282040), (760, 274989), (780, 267938), (836, 249990), (858, 243580), (988, 211530), (1045, 199992), (1140, 183326), (1144, 182685), (1235, 169224), (1254, 166660), (1282, 163020), (1320, 158327), (1430, 146148), (1482, 141020), (1560, 133969), (1672, 124995), (1716, 121790), (1923, 108680), (1976, 105765), (2090, 99996), (2145, 97432), (2280, 91663), (2470, 84612), (2508, 83330), (2564, 81510), (2717, 76920), (2860, 73074), (2964, 70510), (3135, 66664), (3205, 65208), (3432, 60895), (3705, 56408), (3846, 54340), (4180, 49998), (4290, 48716), (4940, 42306), (5016, 41665), (5128, 40755), (5434, 38460), (5720, 36537), (5928, 35255), (6270, 33332), (6410, 32604), (7051, 29640), (7410, 28204), (7692, 27170), (8151, 25640), (8333, 25080), (8360, 24999), (8580, 24358), (9615, 21736), (9880, 21153), (10868, 19230), (12179, 17160), (12540, 16666), (12820, 16302), (13585, 15384), (14102, 14820)]