991888294720

素因数分解:

$2^6\times 5^1\times {\mathrm{811}}^1\times {\mathrm{1543}}^1\times {\mathrm{2477}}^1$

素因数の和:4848

約数の個数: 112

約数和(自身を含む): 2367334343808

約数和(自身を除く): 1375446049088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 811, 1543, 1622, 2477, 3086, 3244, 4055, 4954, 6172, 6488, 7715, 8110, 9908, 12344, 12385, 12976, 15430, 16220, 19816, 24688, 24770, 25952, 30860, 32440, 39632, 49376, 49540, 51904, 61720, 64880, 79264, 98752, 99080, 123440, 129760, 158528, 198160, 246880, 259520, 396320, 493760, 792640, 1251373, 2008847, 2502746, 3822011, 4017694, 5005492, 6256865, 7644022, 8035388, 10010984, 10044235, 12513730, 15288044, 16070776, 19110055, 20021968, 20088470, 25027460, 30576088, 32141552, 38220110, 40043936, 40176940, 50054920, 61152176, 64283104, 76440220, 80087872, 80353880, 100109840, 122304352, 128566208, 152880440, 160707760, 200219680, 244608704, 305760880, 321415520, 400439360, 611521760, 642831040, 1223043520, 3099650921, 6199301842, 12398603684, 15498254605, 24797207368, 30996509210, 49594414736, 61993018420, 99188829472, 123986036840, 198377658944, 247972073680, 495944147360, 991888294720]

約数ペア:

[(1, 991888294720), (2, 495944147360), (4, 247972073680), (5, 198377658944), (8, 123986036840), (10, 99188829472), (16, 61993018420), (20, 49594414736), (32, 30996509210), (40, 24797207368), (64, 15498254605), (80, 12398603684), (160, 6199301842), (320, 3099650921), (811, 1223043520), (1543, 642831040), (1622, 611521760), (2477, 400439360), (3086, 321415520), (3244, 305760880), (4055, 244608704), (4954, 200219680), (6172, 160707760), (6488, 152880440), (7715, 128566208), (8110, 122304352), (9908, 100109840), (12344, 80353880), (12385, 80087872), (12976, 76440220), (15430, 64283104), (16220, 61152176), (19816, 50054920), (24688, 40176940), (24770, 40043936), (25952, 38220110), (30860, 32141552), (32440, 30576088), (39632, 25027460), (49376, 20088470), (49540, 20021968), (51904, 19110055), (61720, 16070776), (64880, 15288044), (79264, 12513730), (98752, 10044235), (99080, 10010984), (123440, 8035388), (129760, 7644022), (158528, 6256865), (198160, 5005492), (246880, 4017694), (259520, 3822011), (396320, 2502746), (493760, 2008847), (792640, 1251373)]