643589760

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{983}}^1$

素因数の和:1047

約数の個数: 256

約数和(自身を含む): 2312478720

約数和(自身を除く): 1668888960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 31, 32, 33, 40, 44, 48, 55, 60, 62, 64, 66, 80, 88, 93, 96, 110, 120, 124, 128, 132, 155, 160, 165, 176, 186, 192, 220, 240, 248, 264, 310, 320, 330, 341, 352, 372, 384, 440, 465, 480, 496, 528, 620, 640, 660, 682, 704, 744, 880, 930, 960, 983, 992, 1023, 1056, 1240, 1320, 1364, 1408, 1488, 1705, 1760, 1860, 1920, 1966, 1984, 2046, 2112, 2480, 2640, 2728, 2949, 2976, 3410, 3520, 3720, 3932, 3968, 4092, 4224, 4915, 4960, 5115, 5280, 5456, 5898, 5952, 6820, 7040, 7440, 7864, 8184, 9830, 9920, 10230, 10560, 10813, 10912, 11796, 11904, 13640, 14745, 14880, 15728, 16368, 19660, 19840, 20460, 21120, 21626, 21824, 23592, 27280, 29490, 29760, 30473, 31456, 32439, 32736, 39320, 40920, 43252, 43648, 47184, 54065, 54560, 58980, 59520, 60946, 62912, 64878, 65472, 78640, 81840, 86504, 91419, 94368, 108130, 109120, 117960, 121892, 125824, 129756, 130944, 152365, 157280, 162195, 163680, 173008, 182838, 188736, 216260, 218240, 235920, 243784, 259512, 304730, 314560, 324390, 327360, 335203, 346016, 365676, 377472, 432520, 457095, 471840, 487568, 519024, 609460, 629120, 648780, 654720, 670406, 692032, 731352, 865040, 914190, 943680, 975136, 1005609, 1038048, 1218920, 1297560, 1340812, 1384064, 1462704, 1676015, 1730080, 1828380, 1887360, 1950272, 2011218, 2076096, 2437840, 2595120, 2681624, 2925408, 3352030, 3460160, 3656760, 3900544, 4022436, 4152192, 4875680, 5028045, 5190240, 5363248, 5850816, 6704060, 6920320, 7313520, 8044872, 9751360, 10056090, 10380480, 10726496, 11701632, 13408120, 14627040, 16089744, 19502720, 20112180, 20760960, 21452992, 26816240, 29254080, 32179488, 40224360, 42905984, 53632480, 58508160, 64358976, 80448720, 107264960, 128717952, 160897440, 214529920, 321794880, 643589760]

約数ペア:

[(1, 643589760), (2, 321794880), (3, 214529920), (4, 160897440), (5, 128717952), (6, 107264960), (8, 80448720), (10, 64358976), (11, 58508160), (12, 53632480), (15, 42905984), (16, 40224360), (20, 32179488), (22, 29254080), (24, 26816240), (30, 21452992), (31, 20760960), (32, 20112180), (33, 19502720), (40, 16089744), (44, 14627040), (48, 13408120), (55, 11701632), (60, 10726496), (62, 10380480), (64, 10056090), (66, 9751360), (80, 8044872), (88, 7313520), (93, 6920320), (96, 6704060), (110, 5850816), (120, 5363248), (124, 5190240), (128, 5028045), (132, 4875680), (155, 4152192), (160, 4022436), (165, 3900544), (176, 3656760), (186, 3460160), (192, 3352030), (220, 2925408), (240, 2681624), (248, 2595120), (264, 2437840), (310, 2076096), (320, 2011218), (330, 1950272), (341, 1887360), (352, 1828380), (372, 1730080), (384, 1676015), (440, 1462704), (465, 1384064), (480, 1340812), (496, 1297560), (528, 1218920), (620, 1038048), (640, 1005609), (660, 975136), (682, 943680), (704, 914190), (744, 865040), (880, 731352), (930, 692032), (960, 670406), (983, 654720), (992, 648780), (1023, 629120), (1056, 609460), (1240, 519024), (1320, 487568), (1364, 471840), (1408, 457095), (1488, 432520), (1705, 377472), (1760, 365676), (1860, 346016), (1920, 335203), (1966, 327360), (1984, 324390), (2046, 314560), (2112, 304730), (2480, 259512), (2640, 243784), (2728, 235920), (2949, 218240), (2976, 216260), (3410, 188736), (3520, 182838), (3720, 173008), (3932, 163680), (3968, 162195), (4092, 157280), (4224, 152365), (4915, 130944), (4960, 129756), (5115, 125824), (5280, 121892), (5456, 117960), (5898, 109120), (5952, 108130), (6820, 94368), (7040, 91419), (7440, 86504), (7864, 81840), (8184, 78640), (9830, 65472), (9920, 64878), (10230, 62912), (10560, 60946), (10813, 59520), (10912, 58980), (11796, 54560), (11904, 54065), (13640, 47184), (14745, 43648), (14880, 43252), (15728, 40920), (16368, 39320), (19660, 32736), (19840, 32439), (20460, 31456), (21120, 30473), (21626, 29760), (21824, 29490), (23592, 27280)]