27758720

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3943}}^1$

素因数の和:3973

約数の個数: 64

約数和(自身を含む): 72411840

約数和(自身を除く): 44653120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 3520, 3943, 7040, 7886, 15772, 19715, 31544, 39430, 43373, 63088, 78860, 86746, 126176, 157720, 173492, 216865, 252352, 315440, 346984, 433730, 504704, 630880, 693968, 867460, 1261760, 1387936, 1734920, 2523520, 2775872, 3469840, 5551744, 6939680, 13879360, 27758720]

約数ペア:

[(1, 27758720), (2, 13879360), (4, 6939680), (5, 5551744), (8, 3469840), (10, 2775872), (11, 2523520), (16, 1734920), (20, 1387936), (22, 1261760), (32, 867460), (40, 693968), (44, 630880), (55, 504704), (64, 433730), (80, 346984), (88, 315440), (110, 252352), (128, 216865), (160, 173492), (176, 157720), (220, 126176), (320, 86746), (352, 78860), (440, 63088), (640, 43373), (704, 39430), (880, 31544), (1408, 19715), (1760, 15772), (3520, 7886), (3943, 7040)]