15840786

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:243

約数の個数: 64

約数和(自身を含む): 36288000

約数和(自身を除く): 20447214

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 47, 58, 78, 87, 94, 141, 149, 174, 282, 298, 377, 447, 611, 754, 894, 1131, 1222, 1363, 1833, 1937, 2262, 2726, 3666, 3874, 4089, 4321, 5811, 7003, 8178, 8642, 11622, 12963, 14006, 17719, 21009, 25926, 35438, 42018, 53157, 56173, 91039, 106314, 112346, 168519, 182078, 203087, 273117, 337038, 406174, 546234, 609261, 1218522, 2640131, 5280262, 7920393, 15840786]

約数ペア:

[(1, 15840786), (2, 7920393), (3, 5280262), (6, 2640131), (13, 1218522), (26, 609261), (29, 546234), (39, 406174), (47, 337038), (58, 273117), (78, 203087), (87, 182078), (94, 168519), (141, 112346), (149, 106314), (174, 91039), (282, 56173), (298, 53157), (377, 42018), (447, 35438), (611, 25926), (754, 21009), (894, 17719), (1131, 14006), (1222, 12963), (1363, 11622), (1833, 8642), (1937, 8178), (2262, 7003), (2726, 5811), (3666, 4321), (3874, 4089)]