1278622170

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{289937}}^1$

素因数の和:289964

約数の個数: 72

約数和(自身を含む): 3867193044

約数和(自身を除く): 2588570874

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 2205, 4410, 289937, 579874, 869811, 1449685, 1739622, 2029559, 2609433, 2899370, 4059118, 4349055, 5218866, 6088677, 8698110, 10147795, 12177354, 13047165, 14206913, 18266031, 20295590, 26094330, 28413826, 30443385, 36532062, 42620739, 60886770, 71034565, 85241478, 91330155, 127862217, 142069130, 182660310, 213103695, 255724434, 426207390, 639311085, 1278622170]

約数ペア:

[(1, 1278622170), (2, 639311085), (3, 426207390), (5, 255724434), (6, 213103695), (7, 182660310), (9, 142069130), (10, 127862217), (14, 91330155), (15, 85241478), (18, 71034565), (21, 60886770), (30, 42620739), (35, 36532062), (42, 30443385), (45, 28413826), (49, 26094330), (63, 20295590), (70, 18266031), (90, 14206913), (98, 13047165), (105, 12177354), (126, 10147795), (147, 8698110), (210, 6088677), (245, 5218866), (294, 4349055), (315, 4059118), (441, 2899370), (490, 2609433), (630, 2029559), (735, 1739622), (882, 1449685), (1470, 869811), (2205, 579874), (4410, 289937)]