15981465864

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{26041}}^1$

素因数の和:26351

約数の個数: 128

約数和(自身を含む): 49350631680

約数和(自身を除く): 33369165816

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 182, 273, 281, 312, 364, 546, 562, 728, 843, 1092, 1124, 1686, 1967, 2184, 2248, 3372, 3653, 3934, 5901, 6744, 7306, 7868, 10959, 11802, 14612, 15736, 21918, 23604, 25571, 26041, 29224, 43836, 47208, 51142, 52082, 76713, 78123, 87672, 102284, 104164, 153426, 156246, 182287, 204568, 208328, 306852, 312492, 338533, 364574, 546861, 613704, 624984, 677066, 729148, 1015599, 1093722, 1354132, 1458296, 2031198, 2187444, 2369731, 2708264, 4062396, 4374888, 4739462, 7109193, 7317521, 8124792, 9478924, 14218386, 14635042, 18957848, 21952563, 28436772, 29270084, 43905126, 51222647, 56873544, 58540168, 87810252, 95127773, 102445294, 153667941, 175620504, 190255546, 204890588, 285383319, 307335882, 380511092, 409781176, 570766638, 614671764, 665894411, 761022184, 1141533276, 1229343528, 1331788822, 1997683233, 2283066552, 2663577644, 3995366466, 5327155288, 7990732932, 15981465864]

約数ペア:

[(1, 15981465864), (2, 7990732932), (3, 5327155288), (4, 3995366466), (6, 2663577644), (7, 2283066552), (8, 1997683233), (12, 1331788822), (13, 1229343528), (14, 1141533276), (21, 761022184), (24, 665894411), (26, 614671764), (28, 570766638), (39, 409781176), (42, 380511092), (52, 307335882), (56, 285383319), (78, 204890588), (84, 190255546), (91, 175620504), (104, 153667941), (156, 102445294), (168, 95127773), (182, 87810252), (273, 58540168), (281, 56873544), (312, 51222647), (364, 43905126), (546, 29270084), (562, 28436772), (728, 21952563), (843, 18957848), (1092, 14635042), (1124, 14218386), (1686, 9478924), (1967, 8124792), (2184, 7317521), (2248, 7109193), (3372, 4739462), (3653, 4374888), (3934, 4062396), (5901, 2708264), (6744, 2369731), (7306, 2187444), (7868, 2031198), (10959, 1458296), (11802, 1354132), (14612, 1093722), (15736, 1015599), (21918, 729148), (23604, 677066), (25571, 624984), (26041, 613704), (29224, 546861), (43836, 364574), (47208, 338533), (51142, 312492), (52082, 306852), (76713, 208328), (78123, 204568), (87672, 182287), (102284, 156246), (104164, 153426)]