643158880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{271}}^1$

素因数の和:469

約数の個数: 192

約数和(自身を含む): 1888524288

約数和(自身を除く): 1245365408

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 163, 182, 208, 224, 260, 271, 280, 326, 364, 416, 455, 520, 542, 560, 652, 728, 815, 910, 1040, 1084, 1120, 1141, 1304, 1355, 1456, 1630, 1820, 1897, 2080, 2119, 2168, 2282, 2608, 2710, 2912, 3260, 3523, 3640, 3794, 4238, 4336, 4564, 5216, 5420, 5705, 6520, 7046, 7280, 7588, 8476, 8672, 9128, 9485, 10595, 10840, 11410, 13040, 14092, 14560, 14833, 15176, 16952, 17615, 18256, 18970, 21190, 21680, 22820, 24661, 26080, 28184, 29666, 30352, 33904, 35230, 36512, 37940, 42380, 43360, 44173, 45640, 49322, 56368, 59332, 60704, 67808, 70460, 74165, 75880, 84760, 88346, 91280, 98644, 112736, 118664, 123305, 140920, 148330, 151760, 169520, 176692, 182560, 197288, 220865, 237328, 246610, 281840, 296660, 303520, 309211, 339040, 353384, 394576, 441730, 474656, 493220, 563680, 574249, 593320, 618422, 706768, 789152, 883460, 986440, 1148498, 1186640, 1236844, 1413536, 1546055, 1766920, 1972880, 2296996, 2373280, 2473688, 2871245, 3092110, 3533840, 3945760, 4019743, 4593992, 4947376, 5742490, 6184220, 7067680, 8039486, 9187984, 9894752, 11484980, 12368440, 16078972, 18375968, 20098715, 22969960, 24736880, 32157944, 40197430, 45939920, 49473760, 64315888, 80394860, 91879840, 128631776, 160789720, 321579440, 643158880]

約数ペア:

[(1, 643158880), (2, 321579440), (4, 160789720), (5, 128631776), (7, 91879840), (8, 80394860), (10, 64315888), (13, 49473760), (14, 45939920), (16, 40197430), (20, 32157944), (26, 24736880), (28, 22969960), (32, 20098715), (35, 18375968), (40, 16078972), (52, 12368440), (56, 11484980), (65, 9894752), (70, 9187984), (80, 8039486), (91, 7067680), (104, 6184220), (112, 5742490), (130, 4947376), (140, 4593992), (160, 4019743), (163, 3945760), (182, 3533840), (208, 3092110), (224, 2871245), (260, 2473688), (271, 2373280), (280, 2296996), (326, 1972880), (364, 1766920), (416, 1546055), (455, 1413536), (520, 1236844), (542, 1186640), (560, 1148498), (652, 986440), (728, 883460), (815, 789152), (910, 706768), (1040, 618422), (1084, 593320), (1120, 574249), (1141, 563680), (1304, 493220), (1355, 474656), (1456, 441730), (1630, 394576), (1820, 353384), (1897, 339040), (2080, 309211), (2119, 303520), (2168, 296660), (2282, 281840), (2608, 246610), (2710, 237328), (2912, 220865), (3260, 197288), (3523, 182560), (3640, 176692), (3794, 169520), (4238, 151760), (4336, 148330), (4564, 140920), (5216, 123305), (5420, 118664), (5705, 112736), (6520, 98644), (7046, 91280), (7280, 88346), (7588, 84760), (8476, 75880), (8672, 74165), (9128, 70460), (9485, 67808), (10595, 60704), (10840, 59332), (11410, 56368), (13040, 49322), (14092, 45640), (14560, 44173), (14833, 43360), (15176, 42380), (16952, 37940), (17615, 36512), (18256, 35230), (18970, 33904), (21190, 30352), (21680, 29666), (22820, 28184), (24661, 26080)]