281136240

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{461}}^1$

素因数の和:509

約数の個数: 360

約数和(自身を含む): 1188611424

約数和(自身を除く): 907475184

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 48, 55, 56, 60, 63, 66, 70, 72, 77, 80, 84, 88, 90, 99, 105, 110, 112, 120, 121, 126, 132, 140, 144, 154, 165, 168, 176, 180, 198, 210, 220, 231, 240, 242, 252, 264, 280, 308, 315, 330, 336, 360, 363, 385, 396, 420, 440, 461, 462, 484, 495, 504, 528, 560, 605, 616, 630, 660, 693, 720, 726, 770, 792, 840, 847, 880, 922, 924, 968, 990, 1008, 1089, 1155, 1210, 1232, 1260, 1320, 1383, 1386, 1452, 1540, 1584, 1680, 1694, 1815, 1844, 1848, 1936, 1980, 2178, 2305, 2310, 2420, 2520, 2541, 2640, 2766, 2772, 2904, 3080, 3227, 3388, 3465, 3630, 3688, 3696, 3960, 4149, 4235, 4356, 4610, 4620, 4840, 5040, 5071, 5082, 5445, 5532, 5544, 5808, 6160, 6454, 6776, 6915, 6930, 7260, 7376, 7623, 7920, 8298, 8470, 8712, 9220, 9240, 9680, 9681, 10142, 10164, 10890, 11064, 11088, 12705, 12908, 13552, 13830, 13860, 14520, 15213, 15246, 16135, 16596, 16940, 17424, 18440, 18480, 19362, 20284, 20328, 20745, 21780, 22128, 25355, 25410, 25816, 27660, 27720, 29040, 29043, 30426, 30492, 32270, 33192, 33880, 35497, 36880, 38115, 38724, 40568, 40656, 41490, 43560, 45639, 48405, 50710, 50820, 51632, 55320, 55440, 55781, 58086, 60852, 60984, 64540, 66384, 67760, 70994, 76065, 76230, 77448, 81136, 82980, 87120, 91278, 96810, 101420, 101640, 106491, 110640, 111562, 116172, 121704, 121968, 129080, 141988, 145215, 152130, 152460, 154896, 165960, 167343, 177485, 182556, 193620, 202840, 203280, 212982, 223124, 228195, 232344, 243408, 258160, 278905, 283976, 290430, 304260, 304920, 319473, 331920, 334686, 354970, 365112, 387240, 390467, 405680, 425964, 446248, 456390, 464688, 502029, 532455, 557810, 567952, 580860, 608520, 609840, 638946, 669372, 709940, 730224, 774480, 780934, 836715, 851928, 892496, 912780, 1004058, 1064910, 1115620, 1161720, 1171401, 1217040, 1277892, 1338744, 1419880, 1561868, 1597365, 1673430, 1703856, 1825560, 1952335, 2008116, 2129820, 2231240, 2323440, 2342802, 2510145, 2555784, 2677488, 2839760, 3123736, 3194730, 3346860, 3514203, 3651120, 3904670, 4016232, 4259640, 4462480, 4685604, 5020290, 5111568, 5857005, 6247472, 6389460, 6693720, 7028406, 7809340, 8032464, 8519280, 9371208, 10040580, 11714010, 12778920, 13387440, 14056812, 15618680, 17571015, 18742416, 20081160, 23428020, 25557840, 28113624, 31237360, 35142030, 40162320, 46856040, 56227248, 70284060, 93712080, 140568120, 281136240]

約数ペア:

[(1, 281136240), (2, 140568120), (3, 93712080), (4, 70284060), (5, 56227248), (6, 46856040), (7, 40162320), (8, 35142030), (9, 31237360), (10, 28113624), (11, 25557840), (12, 23428020), (14, 20081160), (15, 18742416), (16, 17571015), (18, 15618680), (20, 14056812), (21, 13387440), (22, 12778920), (24, 11714010), (28, 10040580), (30, 9371208), (33, 8519280), (35, 8032464), (36, 7809340), (40, 7028406), (42, 6693720), (44, 6389460), (45, 6247472), (48, 5857005), (55, 5111568), (56, 5020290), (60, 4685604), (63, 4462480), (66, 4259640), (70, 4016232), (72, 3904670), (77, 3651120), (80, 3514203), (84, 3346860), (88, 3194730), (90, 3123736), (99, 2839760), (105, 2677488), (110, 2555784), (112, 2510145), (120, 2342802), (121, 2323440), (126, 2231240), (132, 2129820), (140, 2008116), (144, 1952335), (154, 1825560), (165, 1703856), (168, 1673430), (176, 1597365), (180, 1561868), (198, 1419880), (210, 1338744), (220, 1277892), (231, 1217040), (240, 1171401), (242, 1161720), (252, 1115620), (264, 1064910), (280, 1004058), (308, 912780), (315, 892496), (330, 851928), (336, 836715), (360, 780934), (363, 774480), (385, 730224), (396, 709940), (420, 669372), (440, 638946), (461, 609840), (462, 608520), (484, 580860), (495, 567952), (504, 557810), (528, 532455), (560, 502029), (605, 464688), (616, 456390), (630, 446248), (660, 425964), (693, 405680), (720, 390467), (726, 387240), (770, 365112), (792, 354970), (840, 334686), (847, 331920), (880, 319473), (922, 304920), (924, 304260), (968, 290430), (990, 283976), (1008, 278905), (1089, 258160), (1155, 243408), (1210, 232344), (1232, 228195), (1260, 223124), (1320, 212982), (1383, 203280), (1386, 202840), (1452, 193620), (1540, 182556), (1584, 177485), (1680, 167343), (1694, 165960), (1815, 154896), (1844, 152460), (1848, 152130), (1936, 145215), (1980, 141988), (2178, 129080), (2305, 121968), (2310, 121704), (2420, 116172), (2520, 111562), (2541, 110640), (2640, 106491), (2766, 101640), (2772, 101420), (2904, 96810), (3080, 91278), (3227, 87120), (3388, 82980), (3465, 81136), (3630, 77448), (3688, 76230), (3696, 76065), (3960, 70994), (4149, 67760), (4235, 66384), (4356, 64540), (4610, 60984), (4620, 60852), (4840, 58086), (5040, 55781), (5071, 55440), (5082, 55320), (5445, 51632), (5532, 50820), (5544, 50710), (5808, 48405), (6160, 45639), (6454, 43560), (6776, 41490), (6915, 40656), (6930, 40568), (7260, 38724), (7376, 38115), (7623, 36880), (7920, 35497), (8298, 33880), (8470, 33192), (8712, 32270), (9220, 30492), (9240, 30426), (9680, 29043), (9681, 29040), (10142, 27720), (10164, 27660), (10890, 25816), (11064, 25410), (11088, 25355), (12705, 22128), (12908, 21780), (13552, 20745), (13830, 20328), (13860, 20284), (14520, 19362), (15213, 18480), (15246, 18440), (16135, 17424), (16596, 16940)]