1277921988

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2069}}^1$

素因数の和:2151

約数の個数: 192

約数和(自身を含む): 4080384000

約数和(自身を除く): 2802462012

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 43, 54, 57, 63, 76, 84, 86, 108, 114, 126, 129, 133, 171, 172, 189, 228, 252, 258, 266, 301, 342, 378, 387, 399, 513, 516, 532, 602, 684, 756, 774, 798, 817, 903, 1026, 1161, 1197, 1204, 1548, 1596, 1634, 1806, 2052, 2069, 2322, 2394, 2451, 2709, 3268, 3591, 3612, 4138, 4644, 4788, 4902, 5418, 5719, 6207, 7182, 7353, 8127, 8276, 9804, 10836, 11438, 12414, 14364, 14483, 14706, 16254, 17157, 18621, 22059, 22876, 24828, 28966, 29412, 32508, 34314, 37242, 39311, 43449, 44118, 51471, 55863, 57932, 68628, 74484, 78622, 86898, 88236, 88967, 102942, 111726, 117933, 130347, 154413, 157244, 173796, 177934, 205884, 223452, 235866, 260694, 266901, 275177, 308826, 353799, 355868, 391041, 471732, 521388, 533802, 550354, 617652, 622769, 707598, 782082, 800703, 825531, 1061397, 1067604, 1100708, 1245538, 1415196, 1564164, 1601406, 1651062, 1690373, 1868307, 2122794, 2402109, 2476593, 2491076, 3202812, 3302124, 3380746, 3736614, 4245588, 4804218, 4953186, 5071119, 5604921, 6761492, 7429779, 7473228, 9608436, 9906372, 10142238, 11209842, 11832611, 14859558, 15213357, 16814763, 20284476, 22419684, 23665222, 29719116, 30426714, 33629526, 35497833, 45640071, 47330444, 60853428, 67259052, 70995666, 91280142, 106493499, 141991332, 182560284, 212986998, 319480497, 425973996, 638960994, 1277921988]

約数ペア:

[(1, 1277921988), (2, 638960994), (3, 425973996), (4, 319480497), (6, 212986998), (7, 182560284), (9, 141991332), (12, 106493499), (14, 91280142), (18, 70995666), (19, 67259052), (21, 60853428), (27, 47330444), (28, 45640071), (36, 35497833), (38, 33629526), (42, 30426714), (43, 29719116), (54, 23665222), (57, 22419684), (63, 20284476), (76, 16814763), (84, 15213357), (86, 14859558), (108, 11832611), (114, 11209842), (126, 10142238), (129, 9906372), (133, 9608436), (171, 7473228), (172, 7429779), (189, 6761492), (228, 5604921), (252, 5071119), (258, 4953186), (266, 4804218), (301, 4245588), (342, 3736614), (378, 3380746), (387, 3302124), (399, 3202812), (513, 2491076), (516, 2476593), (532, 2402109), (602, 2122794), (684, 1868307), (756, 1690373), (774, 1651062), (798, 1601406), (817, 1564164), (903, 1415196), (1026, 1245538), (1161, 1100708), (1197, 1067604), (1204, 1061397), (1548, 825531), (1596, 800703), (1634, 782082), (1806, 707598), (2052, 622769), (2069, 617652), (2322, 550354), (2394, 533802), (2451, 521388), (2709, 471732), (3268, 391041), (3591, 355868), (3612, 353799), (4138, 308826), (4644, 275177), (4788, 266901), (4902, 260694), (5418, 235866), (5719, 223452), (6207, 205884), (7182, 177934), (7353, 173796), (8127, 157244), (8276, 154413), (9804, 130347), (10836, 117933), (11438, 111726), (12414, 102942), (14364, 88967), (14483, 88236), (14706, 86898), (16254, 78622), (17157, 74484), (18621, 68628), (22059, 57932), (22876, 55863), (24828, 51471), (28966, 44118), (29412, 43449), (32508, 39311), (34314, 37242)]