77791120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{811}}^1$

素因数の和:944

約数の個数: 80

約数和(自身を含む): 199362240

約数和(自身を除く): 121571120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 109, 110, 176, 218, 220, 436, 440, 545, 811, 872, 880, 1090, 1199, 1622, 1744, 2180, 2398, 3244, 4055, 4360, 4796, 5995, 6488, 8110, 8720, 8921, 9592, 11990, 12976, 16220, 17842, 19184, 23980, 32440, 35684, 44605, 47960, 64880, 71368, 88399, 89210, 95920, 142736, 176798, 178420, 353596, 356840, 441995, 707192, 713680, 883990, 972389, 1414384, 1767980, 1944778, 3535960, 3889556, 4861945, 7071920, 7779112, 9723890, 15558224, 19447780, 38895560, 77791120]

約数ペア:

[(1, 77791120), (2, 38895560), (4, 19447780), (5, 15558224), (8, 9723890), (10, 7779112), (11, 7071920), (16, 4861945), (20, 3889556), (22, 3535960), (40, 1944778), (44, 1767980), (55, 1414384), (80, 972389), (88, 883990), (109, 713680), (110, 707192), (176, 441995), (218, 356840), (220, 353596), (436, 178420), (440, 176798), (545, 142736), (811, 95920), (872, 89210), (880, 88399), (1090, 71368), (1199, 64880), (1622, 47960), (1744, 44605), (2180, 35684), (2398, 32440), (3244, 23980), (4055, 19184), (4360, 17842), (4796, 16220), (5995, 12976), (6488, 11990), (8110, 9592), (8720, 8921)]