721898240

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:195

約数の個数: 288

約数和(自身を含む): 2147475456

約数和(自身を除く): 1425577216

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 31, 32, 35, 40, 46, 56, 62, 64, 70, 80, 92, 112, 113, 115, 124, 128, 140, 155, 160, 161, 184, 217, 224, 226, 230, 248, 256, 280, 310, 320, 322, 368, 434, 448, 452, 460, 496, 560, 565, 620, 640, 644, 713, 736, 791, 805, 868, 896, 904, 920, 992, 1085, 1120, 1130, 1240, 1280, 1288, 1426, 1472, 1582, 1610, 1736, 1792, 1808, 1840, 1984, 2170, 2240, 2260, 2480, 2576, 2599, 2852, 2944, 3164, 3220, 3472, 3503, 3565, 3616, 3680, 3955, 3968, 4340, 4480, 4520, 4960, 4991, 5152, 5198, 5704, 5888, 6328, 6440, 6944, 7006, 7130, 7232, 7360, 7910, 7936, 8680, 8960, 9040, 9920, 9982, 10304, 10396, 11408, 12656, 12880, 12995, 13888, 14012, 14260, 14464, 14720, 15820, 17360, 17515, 18080, 18193, 19840, 19964, 20608, 20792, 22816, 24521, 24955, 25312, 25760, 25990, 27776, 28024, 28520, 28928, 29440, 31640, 34720, 35030, 36160, 36386, 39680, 39928, 41216, 41584, 45632, 49042, 49910, 50624, 51520, 51980, 55552, 56048, 57040, 63280, 69440, 70060, 72320, 72772, 79856, 80569, 83168, 90965, 91264, 98084, 99820, 101248, 103040, 103960, 112096, 114080, 122605, 126560, 138880, 140120, 144640, 145544, 159712, 161138, 166336, 181930, 182528, 196168, 199640, 202496, 206080, 207920, 224192, 228160, 245210, 253120, 277760, 280240, 291088, 319424, 322276, 332672, 363860, 392336, 399280, 402845, 415840, 448384, 456320, 490420, 506240, 560480, 563983, 582176, 638848, 644552, 665344, 727720, 784672, 798560, 805690, 831680, 896768, 912640, 980840, 1012480, 1120960, 1127966, 1164352, 1277696, 1289104, 1455440, 1569344, 1597120, 1611380, 1663360, 1961680, 2241920, 2255932, 2328704, 2578208, 2819915, 2910880, 3138688, 3194240, 3222760, 3326720, 3923360, 4483840, 4511864, 4657408, 5156416, 5639830, 5821760, 6277376, 6388480, 6445520, 7846720, 9023728, 10312832, 11279660, 11643520, 12891040, 15693440, 18047456, 20625664, 22559320, 23287040, 25782080, 31386880, 36094912, 45118640, 51564160, 72189824, 90237280, 103128320, 144379648, 180474560, 360949120, 721898240]

約数ペア:

[(1, 721898240), (2, 360949120), (4, 180474560), (5, 144379648), (7, 103128320), (8, 90237280), (10, 72189824), (14, 51564160), (16, 45118640), (20, 36094912), (23, 31386880), (28, 25782080), (31, 23287040), (32, 22559320), (35, 20625664), (40, 18047456), (46, 15693440), (56, 12891040), (62, 11643520), (64, 11279660), (70, 10312832), (80, 9023728), (92, 7846720), (112, 6445520), (113, 6388480), (115, 6277376), (124, 5821760), (128, 5639830), (140, 5156416), (155, 4657408), (160, 4511864), (161, 4483840), (184, 3923360), (217, 3326720), (224, 3222760), (226, 3194240), (230, 3138688), (248, 2910880), (256, 2819915), (280, 2578208), (310, 2328704), (320, 2255932), (322, 2241920), (368, 1961680), (434, 1663360), (448, 1611380), (452, 1597120), (460, 1569344), (496, 1455440), (560, 1289104), (565, 1277696), (620, 1164352), (640, 1127966), (644, 1120960), (713, 1012480), (736, 980840), (791, 912640), (805, 896768), (868, 831680), (896, 805690), (904, 798560), (920, 784672), (992, 727720), (1085, 665344), (1120, 644552), (1130, 638848), (1240, 582176), (1280, 563983), (1288, 560480), (1426, 506240), (1472, 490420), (1582, 456320), (1610, 448384), (1736, 415840), (1792, 402845), (1808, 399280), (1840, 392336), (1984, 363860), (2170, 332672), (2240, 322276), (2260, 319424), (2480, 291088), (2576, 280240), (2599, 277760), (2852, 253120), (2944, 245210), (3164, 228160), (3220, 224192), (3472, 207920), (3503, 206080), (3565, 202496), (3616, 199640), (3680, 196168), (3955, 182528), (3968, 181930), (4340, 166336), (4480, 161138), (4520, 159712), (4960, 145544), (4991, 144640), (5152, 140120), (5198, 138880), (5704, 126560), (5888, 122605), (6328, 114080), (6440, 112096), (6944, 103960), (7006, 103040), (7130, 101248), (7232, 99820), (7360, 98084), (7910, 91264), (7936, 90965), (8680, 83168), (8960, 80569), (9040, 79856), (9920, 72772), (9982, 72320), (10304, 70060), (10396, 69440), (11408, 63280), (12656, 57040), (12880, 56048), (12995, 55552), (13888, 51980), (14012, 51520), (14260, 50624), (14464, 49910), (14720, 49042), (15820, 45632), (17360, 41584), (17515, 41216), (18080, 39928), (18193, 39680), (19840, 36386), (19964, 36160), (20608, 35030), (20792, 34720), (22816, 31640), (24521, 29440), (24955, 28928), (25312, 28520), (25760, 28024), (25990, 27776)]