1256161284

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{23}}^2\times {\mathrm{349}}^1$

素因数の和:421

約数の個数: 216

約数和(自身を含む): 3945323200

約数和(自身を除く): 2689161916

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 27, 28, 36, 42, 46, 54, 63, 69, 81, 84, 92, 108, 126, 138, 161, 162, 189, 207, 243, 252, 276, 322, 324, 349, 378, 414, 483, 486, 529, 567, 621, 644, 698, 756, 828, 966, 972, 1047, 1058, 1134, 1242, 1396, 1449, 1587, 1701, 1863, 1932, 2094, 2116, 2268, 2443, 2484, 2898, 3141, 3174, 3402, 3703, 3726, 4188, 4347, 4761, 4886, 5589, 5796, 6282, 6348, 6804, 7329, 7406, 7452, 8027, 8694, 9423, 9522, 9772, 11109, 11178, 12564, 13041, 14283, 14658, 14812, 16054, 17388, 18846, 19044, 21987, 22218, 22356, 24081, 26082, 28269, 28566, 29316, 32108, 33327, 37692, 39123, 42849, 43974, 44436, 48162, 52164, 56189, 56538, 57132, 65961, 66654, 72243, 78246, 84807, 85698, 87948, 96324, 99981, 112378, 113076, 128547, 131922, 133308, 144486, 156492, 168567, 169614, 171396, 184621, 197883, 199962, 216729, 224756, 257094, 263844, 288972, 299943, 337134, 339228, 369242, 395766, 399924, 433458, 505701, 514188, 553863, 593649, 599886, 650187, 674268, 738484, 791532, 866916, 899829, 1011402, 1107726, 1187298, 1199772, 1292347, 1300374, 1517103, 1661589, 1799658, 1950561, 2022804, 2215452, 2374596, 2584694, 2600748, 3034206, 3323178, 3599316, 3877041, 3901122, 4551309, 4984767, 5169388, 6068412, 6646356, 7754082, 7802244, 9102618, 9969534, 11631123, 13653927, 14954301, 15508164, 18205236, 19939068, 23262246, 27307854, 29908602, 34893369, 44862903, 46524492, 54615708, 59817204, 69786738, 89725806, 104680107, 139573476, 179451612, 209360214, 314040321, 418720428, 628080642, 1256161284]

約数ペア:

[(1, 1256161284), (2, 628080642), (3, 418720428), (4, 314040321), (6, 209360214), (7, 179451612), (9, 139573476), (12, 104680107), (14, 89725806), (18, 69786738), (21, 59817204), (23, 54615708), (27, 46524492), (28, 44862903), (36, 34893369), (42, 29908602), (46, 27307854), (54, 23262246), (63, 19939068), (69, 18205236), (81, 15508164), (84, 14954301), (92, 13653927), (108, 11631123), (126, 9969534), (138, 9102618), (161, 7802244), (162, 7754082), (189, 6646356), (207, 6068412), (243, 5169388), (252, 4984767), (276, 4551309), (322, 3901122), (324, 3877041), (349, 3599316), (378, 3323178), (414, 3034206), (483, 2600748), (486, 2584694), (529, 2374596), (567, 2215452), (621, 2022804), (644, 1950561), (698, 1799658), (756, 1661589), (828, 1517103), (966, 1300374), (972, 1292347), (1047, 1199772), (1058, 1187298), (1134, 1107726), (1242, 1011402), (1396, 899829), (1449, 866916), (1587, 791532), (1701, 738484), (1863, 674268), (1932, 650187), (2094, 599886), (2116, 593649), (2268, 553863), (2443, 514188), (2484, 505701), (2898, 433458), (3141, 399924), (3174, 395766), (3402, 369242), (3703, 339228), (3726, 337134), (4188, 299943), (4347, 288972), (4761, 263844), (4886, 257094), (5589, 224756), (5796, 216729), (6282, 199962), (6348, 197883), (6804, 184621), (7329, 171396), (7406, 169614), (7452, 168567), (8027, 156492), (8694, 144486), (9423, 133308), (9522, 131922), (9772, 128547), (11109, 113076), (11178, 112378), (12564, 99981), (13041, 96324), (14283, 87948), (14658, 85698), (14812, 84807), (16054, 78246), (17388, 72243), (18846, 66654), (19044, 65961), (21987, 57132), (22218, 56538), (22356, 56189), (24081, 52164), (26082, 48162), (28269, 44436), (28566, 43974), (29316, 42849), (32108, 39123), (33327, 37692)]