54538880

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:218

約数の個数: 128

約数和(自身を含む): 145704960

約数和(自身を除く): 91166080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 61, 64, 80, 88, 110, 122, 127, 128, 160, 176, 220, 244, 254, 305, 320, 352, 440, 488, 508, 610, 635, 640, 671, 704, 880, 976, 1016, 1220, 1270, 1342, 1397, 1408, 1760, 1952, 2032, 2440, 2540, 2684, 2794, 3355, 3520, 3904, 4064, 4880, 5080, 5368, 5588, 6710, 6985, 7040, 7747, 7808, 8128, 9760, 10160, 10736, 11176, 13420, 13970, 15494, 16256, 19520, 20320, 21472, 22352, 26840, 27940, 30988, 38735, 39040, 40640, 42944, 44704, 53680, 55880, 61976, 77470, 81280, 85217, 85888, 89408, 107360, 111760, 123952, 154940, 170434, 178816, 214720, 223520, 247904, 309880, 340868, 426085, 429440, 447040, 495808, 619760, 681736, 852170, 894080, 991616, 1239520, 1363472, 1704340, 2479040, 2726944, 3408680, 4958080, 5453888, 6817360, 10907776, 13634720, 27269440, 54538880]

約数ペア:

[(1, 54538880), (2, 27269440), (4, 13634720), (5, 10907776), (8, 6817360), (10, 5453888), (11, 4958080), (16, 3408680), (20, 2726944), (22, 2479040), (32, 1704340), (40, 1363472), (44, 1239520), (55, 991616), (61, 894080), (64, 852170), (80, 681736), (88, 619760), (110, 495808), (122, 447040), (127, 429440), (128, 426085), (160, 340868), (176, 309880), (220, 247904), (244, 223520), (254, 214720), (305, 178816), (320, 170434), (352, 154940), (440, 123952), (488, 111760), (508, 107360), (610, 89408), (635, 85888), (640, 85217), (671, 81280), (704, 77470), (880, 61976), (976, 55880), (1016, 53680), (1220, 44704), (1270, 42944), (1342, 40640), (1397, 39040), (1408, 38735), (1760, 30988), (1952, 27940), (2032, 26840), (2440, 22352), (2540, 21472), (2684, 20320), (2794, 19520), (3355, 16256), (3520, 15494), (3904, 13970), (4064, 13420), (4880, 11176), (5080, 10736), (5368, 10160), (5588, 9760), (6710, 8128), (6985, 7808), (7040, 7747)]