289460640

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:460

約数の個数: 288

約数和(自身を含む): 1097639424

約数和(自身を除く): 808178784

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 49, 56, 60, 62, 70, 80, 84, 93, 96, 98, 105, 112, 120, 124, 140, 147, 155, 160, 168, 186, 196, 210, 217, 224, 240, 245, 248, 280, 294, 310, 336, 372, 392, 397, 420, 434, 465, 480, 490, 496, 560, 588, 620, 651, 672, 735, 744, 784, 794, 840, 868, 930, 980, 992, 1085, 1120, 1176, 1191, 1240, 1302, 1470, 1488, 1519, 1568, 1588, 1680, 1736, 1860, 1960, 1985, 2170, 2352, 2382, 2480, 2604, 2779, 2940, 2976, 3038, 3176, 3255, 3360, 3472, 3720, 3920, 3970, 4340, 4557, 4704, 4764, 4960, 5208, 5558, 5880, 5955, 6076, 6352, 6510, 6944, 7440, 7595, 7840, 7940, 8337, 8680, 9114, 9528, 10416, 11116, 11760, 11910, 12152, 12307, 12704, 13020, 13895, 14880, 15190, 15880, 16674, 17360, 18228, 19056, 19453, 20832, 22232, 22785, 23520, 23820, 24304, 24614, 26040, 27790, 30380, 31760, 33348, 34720, 36456, 36921, 38112, 38906, 41685, 44464, 45570, 47640, 48608, 49228, 52080, 55580, 58359, 60760, 61535, 63520, 66696, 72912, 73842, 77812, 83370, 86149, 88928, 91140, 95280, 97265, 98456, 104160, 111160, 116718, 121520, 123070, 133392, 145824, 147684, 155624, 166740, 172298, 182280, 184605, 190560, 194530, 196912, 222320, 233436, 243040, 246140, 258447, 266784, 291795, 295368, 311248, 333480, 344596, 364560, 369210, 389060, 393824, 430745, 444640, 466872, 492280, 516894, 583590, 590736, 603043, 622496, 666960, 689192, 729120, 738420, 778120, 861490, 933744, 984560, 1033788, 1167180, 1181472, 1206086, 1292235, 1333920, 1378384, 1476840, 1556240, 1722980, 1809129, 1867488, 1969120, 2067576, 2334360, 2412172, 2584470, 2756768, 2953680, 3015215, 3112480, 3445960, 3618258, 4135152, 4668720, 4824344, 5168940, 5907360, 6030430, 6891920, 7236516, 8270304, 9045645, 9337440, 9648688, 10337880, 12060860, 13783840, 14473032, 18091290, 19297376, 20675760, 24121720, 28946064, 36182580, 41351520, 48243440, 57892128, 72365160, 96486880, 144730320, 289460640]

約数ペア:

[(1, 289460640), (2, 144730320), (3, 96486880), (4, 72365160), (5, 57892128), (6, 48243440), (7, 41351520), (8, 36182580), (10, 28946064), (12, 24121720), (14, 20675760), (15, 19297376), (16, 18091290), (20, 14473032), (21, 13783840), (24, 12060860), (28, 10337880), (30, 9648688), (31, 9337440), (32, 9045645), (35, 8270304), (40, 7236516), (42, 6891920), (48, 6030430), (49, 5907360), (56, 5168940), (60, 4824344), (62, 4668720), (70, 4135152), (80, 3618258), (84, 3445960), (93, 3112480), (96, 3015215), (98, 2953680), (105, 2756768), (112, 2584470), (120, 2412172), (124, 2334360), (140, 2067576), (147, 1969120), (155, 1867488), (160, 1809129), (168, 1722980), (186, 1556240), (196, 1476840), (210, 1378384), (217, 1333920), (224, 1292235), (240, 1206086), (245, 1181472), (248, 1167180), (280, 1033788), (294, 984560), (310, 933744), (336, 861490), (372, 778120), (392, 738420), (397, 729120), (420, 689192), (434, 666960), (465, 622496), (480, 603043), (490, 590736), (496, 583590), (560, 516894), (588, 492280), (620, 466872), (651, 444640), (672, 430745), (735, 393824), (744, 389060), (784, 369210), (794, 364560), (840, 344596), (868, 333480), (930, 311248), (980, 295368), (992, 291795), (1085, 266784), (1120, 258447), (1176, 246140), (1191, 243040), (1240, 233436), (1302, 222320), (1470, 196912), (1488, 194530), (1519, 190560), (1568, 184605), (1588, 182280), (1680, 172298), (1736, 166740), (1860, 155624), (1960, 147684), (1985, 145824), (2170, 133392), (2352, 123070), (2382, 121520), (2480, 116718), (2604, 111160), (2779, 104160), (2940, 98456), (2976, 97265), (3038, 95280), (3176, 91140), (3255, 88928), (3360, 86149), (3472, 83370), (3720, 77812), (3920, 73842), (3970, 72912), (4340, 66696), (4557, 63520), (4704, 61535), (4764, 60760), (4960, 58359), (5208, 55580), (5558, 52080), (5880, 49228), (5955, 48608), (6076, 47640), (6352, 45570), (6510, 44464), (6944, 41685), (7440, 38906), (7595, 38112), (7840, 36921), (7940, 36456), (8337, 34720), (8680, 33348), (9114, 31760), (9528, 30380), (10416, 27790), (11116, 26040), (11760, 24614), (11910, 24304), (12152, 23820), (12307, 23520), (12704, 22785), (13020, 22232), (13895, 20832), (14880, 19453), (15190, 19056), (15880, 18228), (16674, 17360)]