255818940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{2089}}^1$

素因数の和:2271

約数の個数: 96

約数和(自身を含む): 776677440

約数和(自身を除く): 520858500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 157, 195, 260, 314, 390, 471, 628, 780, 785, 942, 1570, 1884, 2041, 2089, 2355, 3140, 4082, 4178, 4710, 6123, 6267, 8164, 8356, 9420, 10205, 10445, 12246, 12534, 20410, 20890, 24492, 25068, 27157, 30615, 31335, 40820, 41780, 54314, 61230, 62670, 81471, 108628, 122460, 125340, 135785, 162942, 271570, 325884, 327973, 407355, 543140, 655946, 814710, 983919, 1311892, 1629420, 1639865, 1967838, 3279730, 3935676, 4263649, 4919595, 6559460, 8527298, 9839190, 12790947, 17054596, 19678380, 21318245, 25581894, 42636490, 51163788, 63954735, 85272980, 127909470, 255818940]

約数ペア:

[(1, 255818940), (2, 127909470), (3, 85272980), (4, 63954735), (5, 51163788), (6, 42636490), (10, 25581894), (12, 21318245), (13, 19678380), (15, 17054596), (20, 12790947), (26, 9839190), (30, 8527298), (39, 6559460), (52, 4919595), (60, 4263649), (65, 3935676), (78, 3279730), (130, 1967838), (156, 1639865), (157, 1629420), (195, 1311892), (260, 983919), (314, 814710), (390, 655946), (471, 543140), (628, 407355), (780, 327973), (785, 325884), (942, 271570), (1570, 162942), (1884, 135785), (2041, 125340), (2089, 122460), (2355, 108628), (3140, 81471), (4082, 62670), (4178, 61230), (4710, 54314), (6123, 41780), (6267, 40820), (8164, 31335), (8356, 30615), (9420, 27157), (10205, 25068), (10445, 24492), (12246, 20890), (12534, 20410)]