68505440

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{7019}}^1$

素因数の和:7095

約数の個数: 48

約数和(自身を含む): 164520720

約数和(自身を除く): 96015280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1952, 2440, 4880, 7019, 9760, 14038, 28076, 35095, 56152, 70190, 112304, 140380, 224608, 280760, 428159, 561520, 856318, 1123040, 1712636, 2140795, 3425272, 4281590, 6850544, 8563180, 13701088, 17126360, 34252720, 68505440]

約数ペア:

[(1, 68505440), (2, 34252720), (4, 17126360), (5, 13701088), (8, 8563180), (10, 6850544), (16, 4281590), (20, 3425272), (32, 2140795), (40, 1712636), (61, 1123040), (80, 856318), (122, 561520), (160, 428159), (244, 280760), (305, 224608), (488, 140380), (610, 112304), (976, 70190), (1220, 56152), (1952, 35095), (2440, 28076), (4880, 14038), (7019, 9760)]