261313668

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{67}}^2$

素因数の和:172

約数の個数: 216

約数和(自身を含む): 872756640

約数和(自身を除く): 611442972

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 27, 28, 33, 36, 42, 44, 49, 54, 63, 66, 67, 77, 84, 98, 99, 108, 126, 132, 134, 147, 154, 189, 196, 198, 201, 231, 252, 268, 294, 297, 308, 378, 396, 402, 441, 462, 469, 539, 588, 594, 603, 693, 737, 756, 804, 882, 924, 938, 1078, 1188, 1206, 1323, 1386, 1407, 1474, 1617, 1764, 1809, 1876, 2079, 2156, 2211, 2412, 2646, 2772, 2814, 2948, 3234, 3283, 3618, 4158, 4221, 4422, 4489, 4851, 5159, 5292, 5628, 6468, 6566, 6633, 7236, 8316, 8442, 8844, 8978, 9702, 9849, 10318, 12663, 13132, 13266, 13467, 14553, 15477, 16884, 17956, 19404, 19698, 19899, 20636, 25326, 26532, 26934, 29106, 29547, 30954, 31423, 36113, 39396, 39798, 40401, 46431, 49379, 50652, 53868, 58212, 59094, 61908, 62846, 72226, 79596, 80802, 88641, 92862, 94269, 98758, 108339, 118188, 121203, 125692, 139293, 144452, 148137, 161604, 177282, 185724, 188538, 197516, 216678, 219961, 242406, 278586, 282807, 296274, 325017, 345653, 354564, 377076, 433356, 439922, 444411, 484812, 557172, 565614, 592548, 650034, 659883, 691306, 848421, 879844, 888822, 975051, 1036959, 1131228, 1300068, 1319766, 1333233, 1382612, 1696842, 1777644, 1950102, 1979649, 2073918, 2419571, 2639532, 2666466, 3110877, 3393684, 3900204, 3959298, 4147836, 4839142, 5332932, 5938947, 6221754, 7258713, 7918596, 9332631, 9678284, 11877894, 12443508, 14517426, 18665262, 21776139, 23755788, 29034852, 37330524, 43552278, 65328417, 87104556, 130656834, 261313668]

約数ペア:

[(1, 261313668), (2, 130656834), (3, 87104556), (4, 65328417), (6, 43552278), (7, 37330524), (9, 29034852), (11, 23755788), (12, 21776139), (14, 18665262), (18, 14517426), (21, 12443508), (22, 11877894), (27, 9678284), (28, 9332631), (33, 7918596), (36, 7258713), (42, 6221754), (44, 5938947), (49, 5332932), (54, 4839142), (63, 4147836), (66, 3959298), (67, 3900204), (77, 3393684), (84, 3110877), (98, 2666466), (99, 2639532), (108, 2419571), (126, 2073918), (132, 1979649), (134, 1950102), (147, 1777644), (154, 1696842), (189, 1382612), (196, 1333233), (198, 1319766), (201, 1300068), (231, 1131228), (252, 1036959), (268, 975051), (294, 888822), (297, 879844), (308, 848421), (378, 691306), (396, 659883), (402, 650034), (441, 592548), (462, 565614), (469, 557172), (539, 484812), (588, 444411), (594, 439922), (603, 433356), (693, 377076), (737, 354564), (756, 345653), (804, 325017), (882, 296274), (924, 282807), (938, 278586), (1078, 242406), (1188, 219961), (1206, 216678), (1323, 197516), (1386, 188538), (1407, 185724), (1474, 177282), (1617, 161604), (1764, 148137), (1809, 144452), (1876, 139293), (2079, 125692), (2156, 121203), (2211, 118188), (2412, 108339), (2646, 98758), (2772, 94269), (2814, 92862), (2948, 88641), (3234, 80802), (3283, 79596), (3618, 72226), (4158, 62846), (4221, 61908), (4422, 59094), (4489, 58212), (4851, 53868), (5159, 50652), (5292, 49379), (5628, 46431), (6468, 40401), (6566, 39798), (6633, 39396), (7236, 36113), (8316, 31423), (8442, 30954), (8844, 29547), (8978, 29106), (9702, 26934), (9849, 26532), (10318, 25326), (12663, 20636), (13132, 19899), (13266, 19698), (13467, 19404), (14553, 17956), (15477, 16884)]