1289842920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{7607}}^1$

素因数の和:7784

約数の個数: 128

約数和(自身を含む): 4327430400

約数和(自身を除く): 3037587480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 157, 180, 216, 270, 314, 360, 471, 540, 628, 785, 942, 1080, 1256, 1413, 1570, 1884, 2355, 2826, 3140, 3768, 4239, 4710, 5652, 6280, 7065, 7607, 8478, 9420, 11304, 14130, 15214, 16956, 18840, 21195, 22821, 28260, 30428, 33912, 38035, 42390, 45642, 56520, 60856, 68463, 76070, 84780, 91284, 114105, 136926, 152140, 169560, 182568, 205389, 228210, 273852, 304280, 342315, 410778, 456420, 547704, 684630, 821556, 912840, 1026945, 1194299, 1369260, 1643112, 2053890, 2388598, 2738520, 3582897, 4107780, 4777196, 5971495, 7165794, 8215560, 9554392, 10748691, 11942990, 14331588, 17914485, 21497382, 23885980, 28663176, 32246073, 35828970, 42994764, 47771960, 53743455, 64492146, 71657940, 85989528, 107486910, 128984292, 143315880, 161230365, 214973820, 257968584, 322460730, 429947640, 644921460, 1289842920]

約数ペア:

[(1, 1289842920), (2, 644921460), (3, 429947640), (4, 322460730), (5, 257968584), (6, 214973820), (8, 161230365), (9, 143315880), (10, 128984292), (12, 107486910), (15, 85989528), (18, 71657940), (20, 64492146), (24, 53743455), (27, 47771960), (30, 42994764), (36, 35828970), (40, 32246073), (45, 28663176), (54, 23885980), (60, 21497382), (72, 17914485), (90, 14331588), (108, 11942990), (120, 10748691), (135, 9554392), (157, 8215560), (180, 7165794), (216, 5971495), (270, 4777196), (314, 4107780), (360, 3582897), (471, 2738520), (540, 2388598), (628, 2053890), (785, 1643112), (942, 1369260), (1080, 1194299), (1256, 1026945), (1413, 912840), (1570, 821556), (1884, 684630), (2355, 547704), (2826, 456420), (3140, 410778), (3768, 342315), (4239, 304280), (4710, 273852), (5652, 228210), (6280, 205389), (7065, 182568), (7607, 169560), (8478, 152140), (9420, 136926), (11304, 114105), (14130, 91284), (15214, 84780), (16956, 76070), (18840, 68463), (21195, 60856), (22821, 56520), (28260, 45642), (30428, 42390), (33912, 38035)]