260320788

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{347}}^1$

素因数の和:606

約数の個数: 144

約数和(自身を含む): 815767680

約数和(自身を除く): 555446892

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 229, 234, 252, 273, 347, 364, 458, 468, 546, 687, 694, 819, 916, 1041, 1092, 1374, 1388, 1603, 1638, 2061, 2082, 2429, 2748, 2977, 3123, 3206, 3276, 4122, 4164, 4511, 4809, 4858, 5954, 6246, 6412, 7287, 8244, 8931, 9022, 9618, 9716, 11908, 12492, 13533, 14427, 14574, 17862, 18044, 19236, 20839, 21861, 26793, 27066, 28854, 29148, 31577, 35724, 40599, 41678, 43722, 53586, 54132, 57708, 62517, 63154, 79463, 81198, 83356, 87444, 94731, 107172, 125034, 126308, 158926, 162396, 187551, 189462, 238389, 250068, 284193, 317852, 375102, 378924, 476778, 556241, 568386, 715167, 750204, 953556, 1033019, 1112482, 1136772, 1430334, 1668723, 2066038, 2224964, 2860668, 3099057, 3337446, 4132076, 5006169, 6198114, 6674892, 7231133, 9297171, 10012338, 12396228, 14462266, 18594342, 20024676, 21693399, 28924532, 37188684, 43386798, 65080197, 86773596, 130160394, 260320788]

約数ペア:

[(1, 260320788), (2, 130160394), (3, 86773596), (4, 65080197), (6, 43386798), (7, 37188684), (9, 28924532), (12, 21693399), (13, 20024676), (14, 18594342), (18, 14462266), (21, 12396228), (26, 10012338), (28, 9297171), (36, 7231133), (39, 6674892), (42, 6198114), (52, 5006169), (63, 4132076), (78, 3337446), (84, 3099057), (91, 2860668), (117, 2224964), (126, 2066038), (156, 1668723), (182, 1430334), (229, 1136772), (234, 1112482), (252, 1033019), (273, 953556), (347, 750204), (364, 715167), (458, 568386), (468, 556241), (546, 476778), (687, 378924), (694, 375102), (819, 317852), (916, 284193), (1041, 250068), (1092, 238389), (1374, 189462), (1388, 187551), (1603, 162396), (1638, 158926), (2061, 126308), (2082, 125034), (2429, 107172), (2748, 94731), (2977, 87444), (3123, 83356), (3206, 81198), (3276, 79463), (4122, 63154), (4164, 62517), (4511, 57708), (4809, 54132), (4858, 53586), (5954, 43722), (6246, 41678), (6412, 40599), (7287, 35724), (8244, 31577), (8931, 29148), (9022, 28854), (9618, 27066), (9716, 26793), (11908, 21861), (12492, 20839), (13533, 19236), (14427, 18044), (14574, 17862)]