261649710

素因数分解:

$2^1\times 3^3\times 5^1\times 7^2\times {\mathrm{19777}}^1$

素因数の和:19807

約数の個数: 96

約数和(自身を含む): 811689120

約数和(自身を除く): 550039410

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 70, 90, 98, 105, 126, 135, 147, 189, 210, 245, 270, 294, 315, 378, 441, 490, 630, 735, 882, 945, 1323, 1470, 1890, 2205, 2646, 4410, 6615, 13230, 19777, 39554, 59331, 98885, 118662, 138439, 177993, 197770, 276878, 296655, 355986, 415317, 533979, 593310, 692195, 830634, 889965, 969073, 1067958, 1245951, 1384390, 1779930, 1938146, 2076585, 2491902, 2669895, 2907219, 3737853, 4153170, 4845365, 5339790, 5814438, 6229755, 7475706, 8721657, 9690730, 12459510, 14536095, 17443314, 18689265, 26164971, 29072190, 37378530, 43608285, 52329942, 87216570, 130824855, 261649710]

約数ペア:

[(1, 261649710), (2, 130824855), (3, 87216570), (5, 52329942), (6, 43608285), (7, 37378530), (9, 29072190), (10, 26164971), (14, 18689265), (15, 17443314), (18, 14536095), (21, 12459510), (27, 9690730), (30, 8721657), (35, 7475706), (42, 6229755), (45, 5814438), (49, 5339790), (54, 4845365), (63, 4153170), (70, 3737853), (90, 2907219), (98, 2669895), (105, 2491902), (126, 2076585), (135, 1938146), (147, 1779930), (189, 1384390), (210, 1245951), (245, 1067958), (270, 969073), (294, 889965), (315, 830634), (378, 692195), (441, 593310), (490, 533979), (630, 415317), (735, 355986), (882, 296655), (945, 276878), (1323, 197770), (1470, 177993), (1890, 138439), (2205, 118662), (2646, 98885), (4410, 59331), (6615, 39554), (13230, 19777)]