260516412

素因数分解:

$2^2\times 3^5\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1$

素因数の和:474

約数の個数: 144

約数和(自身を含む): 751252320

約数和(自身を除く): 490735908

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 53, 54, 78, 81, 106, 108, 117, 156, 159, 162, 212, 234, 243, 318, 324, 351, 389, 468, 477, 486, 636, 689, 702, 778, 954, 972, 1053, 1167, 1378, 1404, 1431, 1556, 1908, 2067, 2106, 2334, 2756, 2862, 3159, 3501, 4134, 4212, 4293, 4668, 5057, 5724, 6201, 6318, 7002, 8268, 8586, 10114, 10503, 12402, 12636, 12879, 14004, 15171, 17172, 18603, 20228, 20617, 21006, 24804, 25758, 30342, 31509, 37206, 41234, 42012, 45513, 51516, 55809, 60684, 61851, 63018, 74412, 82468, 91026, 94527, 111618, 123702, 126036, 136539, 167427, 182052, 185553, 189054, 223236, 247404, 268021, 273078, 334854, 371106, 378108, 409617, 536042, 546156, 556659, 669708, 742212, 804063, 819234, 1072084, 1113318, 1228851, 1608126, 1638468, 1669977, 2226636, 2412189, 2457702, 3216252, 3339954, 4824378, 4915404, 5009931, 6679908, 7236567, 9648756, 10019862, 14473134, 20039724, 21709701, 28946268, 43419402, 65129103, 86838804, 130258206, 260516412]

約数ペア:

[(1, 260516412), (2, 130258206), (3, 86838804), (4, 65129103), (6, 43419402), (9, 28946268), (12, 21709701), (13, 20039724), (18, 14473134), (26, 10019862), (27, 9648756), (36, 7236567), (39, 6679908), (52, 5009931), (53, 4915404), (54, 4824378), (78, 3339954), (81, 3216252), (106, 2457702), (108, 2412189), (117, 2226636), (156, 1669977), (159, 1638468), (162, 1608126), (212, 1228851), (234, 1113318), (243, 1072084), (318, 819234), (324, 804063), (351, 742212), (389, 669708), (468, 556659), (477, 546156), (486, 536042), (636, 409617), (689, 378108), (702, 371106), (778, 334854), (954, 273078), (972, 268021), (1053, 247404), (1167, 223236), (1378, 189054), (1404, 185553), (1431, 182052), (1556, 167427), (1908, 136539), (2067, 126036), (2106, 123702), (2334, 111618), (2756, 94527), (2862, 91026), (3159, 82468), (3501, 74412), (4134, 63018), (4212, 61851), (4293, 60684), (4668, 55809), (5057, 51516), (5724, 45513), (6201, 42012), (6318, 41234), (7002, 37206), (8268, 31509), (8586, 30342), (10114, 25758), (10503, 24804), (12402, 21006), (12636, 20617), (12879, 20228), (14004, 18603), (15171, 17172)]