127975760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{3547}}^1$

素因数の和:3612

約数の個数: 80

約数和(自身を含む): 332603712

約数和(自身を除く): 204627952

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 41, 44, 55, 80, 82, 88, 110, 164, 176, 205, 220, 328, 410, 440, 451, 656, 820, 880, 902, 1640, 1804, 2255, 3280, 3547, 3608, 4510, 7094, 7216, 9020, 14188, 17735, 18040, 28376, 35470, 36080, 39017, 56752, 70940, 78034, 141880, 145427, 156068, 195085, 283760, 290854, 312136, 390170, 581708, 624272, 727135, 780340, 1163416, 1454270, 1560680, 1599697, 2326832, 2908540, 3121360, 3199394, 5817080, 6398788, 7998485, 11634160, 12797576, 15996970, 25595152, 31993940, 63987880, 127975760]

約数ペア:

[(1, 127975760), (2, 63987880), (4, 31993940), (5, 25595152), (8, 15996970), (10, 12797576), (11, 11634160), (16, 7998485), (20, 6398788), (22, 5817080), (40, 3199394), (41, 3121360), (44, 2908540), (55, 2326832), (80, 1599697), (82, 1560680), (88, 1454270), (110, 1163416), (164, 780340), (176, 727135), (205, 624272), (220, 581708), (328, 390170), (410, 312136), (440, 290854), (451, 283760), (656, 195085), (820, 156068), (880, 145427), (902, 141880), (1640, 78034), (1804, 70940), (2255, 56752), (3280, 39017), (3547, 36080), (3608, 35470), (4510, 28376), (7094, 18040), (7216, 17735), (9020, 14188)]