1556551840

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1\times {\mathrm{971}}^1$

素因数の和:1262

約数の個数: 96

約数和(自身を含む): 3782915136

約数和(自身を除く): 2226363296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 233, 344, 430, 466, 688, 860, 932, 971, 1165, 1376, 1720, 1864, 1942, 2330, 3440, 3728, 3884, 4660, 4855, 6880, 7456, 7768, 9320, 9710, 10019, 15536, 18640, 19420, 20038, 31072, 37280, 38840, 40076, 41753, 50095, 77680, 80152, 83506, 100190, 155360, 160304, 167012, 200380, 208765, 226243, 320608, 334024, 400760, 417530, 452486, 668048, 801520, 835060, 904972, 1131215, 1336096, 1603040, 1670120, 1809944, 2262430, 3340240, 3619888, 4524860, 6680480, 7239776, 9049720, 9728449, 18099440, 19456898, 36198880, 38913796, 48642245, 77827592, 97284490, 155655184, 194568980, 311310368, 389137960, 778275920, 1556551840]

約数ペア:

[(1, 1556551840), (2, 778275920), (4, 389137960), (5, 311310368), (8, 194568980), (10, 155655184), (16, 97284490), (20, 77827592), (32, 48642245), (40, 38913796), (43, 36198880), (80, 19456898), (86, 18099440), (160, 9728449), (172, 9049720), (215, 7239776), (233, 6680480), (344, 4524860), (430, 3619888), (466, 3340240), (688, 2262430), (860, 1809944), (932, 1670120), (971, 1603040), (1165, 1336096), (1376, 1131215), (1720, 904972), (1864, 835060), (1942, 801520), (2330, 668048), (3440, 452486), (3728, 417530), (3884, 400760), (4660, 334024), (4855, 320608), (6880, 226243), (7456, 208765), (7768, 200380), (9320, 167012), (9710, 160304), (10019, 155360), (15536, 100190), (18640, 83506), (19420, 80152), (20038, 77680), (31072, 50095), (37280, 41753), (38840, 40076)]