1643340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{449}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 4687200

約数和(自身を除く): 3043860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 449, 610, 732, 898, 915, 1220, 1347, 1796, 1830, 2245, 2694, 3660, 4490, 5388, 6735, 8980, 13470, 26940, 27389, 54778, 82167, 109556, 136945, 164334, 273890, 328668, 410835, 547780, 821670, 1643340]

約数ペア:

[(1, 1643340), (2, 821670), (3, 547780), (4, 410835), (5, 328668), (6, 273890), (10, 164334), (12, 136945), (15, 109556), (20, 82167), (30, 54778), (60, 27389), (61, 26940), (122, 13470), (183, 8980), (244, 6735), (305, 5388), (366, 4490), (449, 3660), (610, 2694), (732, 2245), (898, 1830), (915, 1796), (1220, 1347)]