77905620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{197}}^1$

素因数の和:251

約数の個数: 144

約数和(自身を含む): 257297040

約数和(自身を除く): 179391420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 169, 180, 195, 197, 234, 260, 338, 390, 394, 468, 507, 585, 591, 676, 780, 788, 845, 985, 1014, 1170, 1182, 1521, 1690, 1773, 1970, 2028, 2197, 2340, 2364, 2535, 2561, 2955, 3042, 3380, 3546, 3940, 4394, 5070, 5122, 5910, 6084, 6591, 7092, 7605, 7683, 8788, 8865, 10140, 10244, 10985, 11820, 12805, 13182, 15210, 15366, 17730, 19773, 21970, 23049, 25610, 26364, 30420, 30732, 32955, 33293, 35460, 38415, 39546, 43940, 46098, 51220, 65910, 66586, 76830, 79092, 92196, 98865, 99879, 115245, 131820, 133172, 153660, 166465, 197730, 199758, 230490, 299637, 332930, 395460, 399516, 432809, 460980, 499395, 599274, 665860, 865618, 998790, 1198548, 1298427, 1498185, 1731236, 1997580, 2164045, 2596854, 2996370, 3895281, 4328090, 5193708, 5992740, 6492135, 7790562, 8656180, 12984270, 15581124, 19476405, 25968540, 38952810, 77905620]

約数ペア:

[(1, 77905620), (2, 38952810), (3, 25968540), (4, 19476405), (5, 15581124), (6, 12984270), (9, 8656180), (10, 7790562), (12, 6492135), (13, 5992740), (15, 5193708), (18, 4328090), (20, 3895281), (26, 2996370), (30, 2596854), (36, 2164045), (39, 1997580), (45, 1731236), (52, 1498185), (60, 1298427), (65, 1198548), (78, 998790), (90, 865618), (117, 665860), (130, 599274), (156, 499395), (169, 460980), (180, 432809), (195, 399516), (197, 395460), (234, 332930), (260, 299637), (338, 230490), (390, 199758), (394, 197730), (468, 166465), (507, 153660), (585, 133172), (591, 131820), (676, 115245), (780, 99879), (788, 98865), (845, 92196), (985, 79092), (1014, 76830), (1170, 66586), (1182, 65910), (1521, 51220), (1690, 46098), (1773, 43940), (1970, 39546), (2028, 38415), (2197, 35460), (2340, 33293), (2364, 32955), (2535, 30732), (2561, 30420), (2955, 26364), (3042, 25610), (3380, 23049), (3546, 21970), (3940, 19773), (4394, 17730), (5070, 15366), (5122, 15210), (5910, 13182), (6084, 12805), (6591, 11820), (7092, 10985), (7605, 10244), (7683, 10140), (8788, 8865)]