2696580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:297

約数の個数: 72

約数和(自身を含む): 8334144

約数和(自身を除く): 5637564

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 211, 213, 284, 355, 422, 426, 633, 639, 710, 844, 852, 1055, 1065, 1266, 1278, 1420, 1899, 2110, 2130, 2532, 2556, 3165, 3195, 3798, 4220, 4260, 6330, 6390, 7596, 9495, 12660, 12780, 14981, 18990, 29962, 37980, 44943, 59924, 74905, 89886, 134829, 149810, 179772, 224715, 269658, 299620, 449430, 539316, 674145, 898860, 1348290, 2696580]

約数ペア:

[(1, 2696580), (2, 1348290), (3, 898860), (4, 674145), (5, 539316), (6, 449430), (9, 299620), (10, 269658), (12, 224715), (15, 179772), (18, 149810), (20, 134829), (30, 89886), (36, 74905), (45, 59924), (60, 44943), (71, 37980), (90, 29962), (142, 18990), (180, 14981), (211, 12780), (213, 12660), (284, 9495), (355, 7596), (422, 6390), (426, 6330), (633, 4260), (639, 4220), (710, 3798), (844, 3195), (852, 3165), (1055, 2556), (1065, 2532), (1266, 2130), (1278, 2110), (1420, 1899)]