81515484

素因数分解:

$2^2\times 3^4\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:217

約数の個数: 120

約数和(自身を含む): 223933248

約数和(自身を除く): 142417764

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 47, 53, 54, 81, 94, 101, 106, 108, 141, 159, 162, 188, 202, 212, 282, 303, 318, 324, 404, 423, 477, 564, 606, 636, 846, 909, 954, 1212, 1269, 1431, 1692, 1818, 1908, 2491, 2538, 2727, 2862, 3636, 3807, 4293, 4747, 4982, 5076, 5353, 5454, 5724, 7473, 7614, 8181, 8586, 9494, 9964, 10706, 10908, 14241, 14946, 15228, 16059, 16362, 17172, 18988, 21412, 22419, 28482, 29892, 32118, 32724, 42723, 44838, 48177, 56964, 64236, 67257, 85446, 89676, 96354, 128169, 134514, 144531, 170892, 192708, 201771, 251591, 256338, 269028, 289062, 384507, 403542, 433593, 503182, 512676, 578124, 754773, 769014, 807084, 867186, 1006364, 1509546, 1538028, 1734372, 2264319, 3019092, 4528638, 6792957, 9057276, 13585914, 20378871, 27171828, 40757742, 81515484]

約数ペア:

[(1, 81515484), (2, 40757742), (3, 27171828), (4, 20378871), (6, 13585914), (9, 9057276), (12, 6792957), (18, 4528638), (27, 3019092), (36, 2264319), (47, 1734372), (53, 1538028), (54, 1509546), (81, 1006364), (94, 867186), (101, 807084), (106, 769014), (108, 754773), (141, 578124), (159, 512676), (162, 503182), (188, 433593), (202, 403542), (212, 384507), (282, 289062), (303, 269028), (318, 256338), (324, 251591), (404, 201771), (423, 192708), (477, 170892), (564, 144531), (606, 134514), (636, 128169), (846, 96354), (909, 89676), (954, 85446), (1212, 67257), (1269, 64236), (1431, 56964), (1692, 48177), (1818, 44838), (1908, 42723), (2491, 32724), (2538, 32118), (2727, 29892), (2862, 28482), (3636, 22419), (3807, 21412), (4293, 18988), (4747, 17172), (4982, 16362), (5076, 16059), (5353, 15228), (5454, 14946), (5724, 14241), (7473, 10908), (7614, 10706), (8181, 9964), (8586, 9494)]