1278690630

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1\times {\mathrm{349}}^1$

素因数の和:678

約数の個数: 128

約数和(自身を含む): 3580416000

約数和(自身を除く): 2301725370

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 73, 105, 146, 210, 219, 239, 349, 365, 438, 478, 511, 698, 717, 730, 1022, 1047, 1095, 1195, 1434, 1533, 1673, 1745, 2094, 2190, 2390, 2443, 2555, 3066, 3346, 3490, 3585, 4886, 5019, 5110, 5235, 7170, 7329, 7665, 8365, 10038, 10470, 12215, 14658, 15330, 16730, 17447, 24430, 25095, 25477, 34894, 36645, 50190, 50954, 52341, 73290, 76431, 83411, 87235, 104682, 122129, 127385, 152862, 166822, 174470, 178339, 244258, 250233, 254770, 261705, 356678, 366387, 382155, 417055, 500466, 523410, 535017, 583877, 610645, 732774, 764310, 834110, 891695, 1070034, 1167754, 1221290, 1251165, 1751631, 1783390, 1831935, 2502330, 2675085, 2919385, 3503262, 3663870, 5350170, 5838770, 6089003, 8758155, 12178006, 17516310, 18267009, 30445015, 36534018, 42623021, 60890030, 85246042, 91335045, 127869063, 182670090, 213115105, 255738126, 426230210, 639345315, 1278690630]

約数ペア:

[(1, 1278690630), (2, 639345315), (3, 426230210), (5, 255738126), (6, 213115105), (7, 182670090), (10, 127869063), (14, 91335045), (15, 85246042), (21, 60890030), (30, 42623021), (35, 36534018), (42, 30445015), (70, 18267009), (73, 17516310), (105, 12178006), (146, 8758155), (210, 6089003), (219, 5838770), (239, 5350170), (349, 3663870), (365, 3503262), (438, 2919385), (478, 2675085), (511, 2502330), (698, 1831935), (717, 1783390), (730, 1751631), (1022, 1251165), (1047, 1221290), (1095, 1167754), (1195, 1070034), (1434, 891695), (1533, 834110), (1673, 764310), (1745, 732774), (2094, 610645), (2190, 583877), (2390, 535017), (2443, 523410), (2555, 500466), (3066, 417055), (3346, 382155), (3490, 366387), (3585, 356678), (4886, 261705), (5019, 254770), (5110, 250233), (5235, 244258), (7170, 178339), (7329, 174470), (7665, 166822), (8365, 152862), (10038, 127385), (10470, 122129), (12215, 104682), (14658, 87235), (15330, 83411), (16730, 76431), (17447, 73290), (24430, 52341), (25095, 50954), (25477, 50190), (34894, 36645)]