31086800

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:181

約数の個数: 120

約数和(自身を含む): 81185280

約数和(自身を除く): 50098480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 31, 40, 46, 50, 62, 80, 92, 100, 109, 115, 124, 155, 184, 200, 218, 230, 248, 310, 368, 400, 436, 460, 496, 545, 575, 620, 713, 775, 872, 920, 1090, 1150, 1240, 1426, 1550, 1744, 1840, 2180, 2300, 2480, 2507, 2725, 2852, 3100, 3379, 3565, 4360, 4600, 5014, 5450, 5704, 6200, 6758, 7130, 8720, 9200, 10028, 10900, 11408, 12400, 12535, 13516, 14260, 16895, 17825, 20056, 21800, 25070, 27032, 28520, 33790, 35650, 40112, 43600, 50140, 54064, 57040, 62675, 67580, 71300, 77717, 84475, 100280, 125350, 135160, 142600, 155434, 168950, 200560, 250700, 270320, 285200, 310868, 337900, 388585, 501400, 621736, 675800, 777170, 1002800, 1243472, 1351600, 1554340, 1942925, 3108680, 3885850, 6217360, 7771700, 15543400, 31086800]

約数ペア:

[(1, 31086800), (2, 15543400), (4, 7771700), (5, 6217360), (8, 3885850), (10, 3108680), (16, 1942925), (20, 1554340), (23, 1351600), (25, 1243472), (31, 1002800), (40, 777170), (46, 675800), (50, 621736), (62, 501400), (80, 388585), (92, 337900), (100, 310868), (109, 285200), (115, 270320), (124, 250700), (155, 200560), (184, 168950), (200, 155434), (218, 142600), (230, 135160), (248, 125350), (310, 100280), (368, 84475), (400, 77717), (436, 71300), (460, 67580), (496, 62675), (545, 57040), (575, 54064), (620, 50140), (713, 43600), (775, 40112), (872, 35650), (920, 33790), (1090, 28520), (1150, 27032), (1240, 25070), (1426, 21800), (1550, 20056), (1744, 17825), (1840, 16895), (2180, 14260), (2300, 13516), (2480, 12535), (2507, 12400), (2725, 11408), (2852, 10900), (3100, 10028), (3379, 9200), (3565, 8720), (4360, 7130), (4600, 6758), (5014, 6200), (5450, 5704)]