268456485

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 481178880

約数和(自身を除く): 212722395

約数列:

[1, 3, 5, 11, 15, 33, 55, 89, 101, 165, 181, 267, 303, 445, 505, 543, 905, 979, 1111, 1335, 1515, 1991, 2715, 2937, 3333, 4895, 5555, 5973, 8989, 9955, 14685, 16109, 16665, 18281, 26967, 29865, 44945, 48327, 54843, 80545, 91405, 98879, 134835, 177199, 201091, 241635, 274215, 296637, 494395, 531597, 603273, 885995, 1005455, 1483185, 1627009, 2657985, 3016365, 4881027, 8135045, 17897099, 24405135, 53691297, 89485495, 268456485]

約数ペア:

[(1, 268456485), (3, 89485495), (5, 53691297), (11, 24405135), (15, 17897099), (33, 8135045), (55, 4881027), (89, 3016365), (101, 2657985), (165, 1627009), (181, 1483185), (267, 1005455), (303, 885995), (445, 603273), (505, 531597), (543, 494395), (905, 296637), (979, 274215), (1111, 241635), (1335, 201091), (1515, 177199), (1991, 134835), (2715, 98879), (2937, 91405), (3333, 80545), (4895, 54843), (5555, 48327), (5973, 44945), (8989, 29865), (9955, 26967), (14685, 18281), (16109, 16665)]