206857560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{997}}^1$

素因数の和:1050

約数の個数: 256

約数和(自身を含む): 804787200

約数和(自身を除く): 597929640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 19, 20, 21, 24, 26, 28, 30, 35, 38, 39, 40, 42, 52, 56, 57, 60, 65, 70, 76, 78, 84, 91, 95, 104, 105, 114, 120, 130, 133, 140, 152, 156, 168, 182, 190, 195, 210, 228, 247, 260, 266, 273, 280, 285, 312, 364, 380, 390, 399, 420, 455, 456, 494, 520, 532, 546, 570, 665, 728, 741, 760, 780, 798, 840, 910, 988, 997, 1064, 1092, 1140, 1235, 1330, 1365, 1482, 1560, 1596, 1729, 1820, 1976, 1994, 1995, 2184, 2280, 2470, 2660, 2730, 2964, 2991, 3192, 3458, 3640, 3705, 3988, 3990, 4940, 4985, 5187, 5320, 5460, 5928, 5982, 6916, 6979, 7410, 7976, 7980, 8645, 9880, 9970, 10374, 10920, 11964, 12961, 13832, 13958, 14820, 14955, 15960, 17290, 18943, 19940, 20748, 20937, 23928, 25922, 25935, 27916, 29640, 29910, 34580, 34895, 37886, 38883, 39880, 41496, 41874, 51844, 51870, 55832, 56829, 59820, 64805, 69160, 69790, 75772, 77766, 83748, 90727, 94715, 103688, 103740, 104685, 113658, 119640, 129610, 132601, 139580, 151544, 155532, 167496, 181454, 189430, 194415, 207480, 209370, 227316, 246259, 259220, 265202, 272181, 279160, 284145, 311064, 362908, 378860, 388830, 397803, 418740, 453635, 454632, 492518, 518440, 530404, 544362, 568290, 663005, 725816, 738777, 757720, 777660, 795606, 837480, 907270, 985036, 1060808, 1088724, 1136580, 1231295, 1326010, 1360905, 1477554, 1555320, 1591212, 1723813, 1814540, 1970072, 1989015, 2177448, 2273160, 2462590, 2652020, 2721810, 2955108, 3182424, 3447626, 3629080, 3693885, 3978030, 4925180, 5171439, 5304040, 5443620, 5910216, 6895252, 7387770, 7956060, 8619065, 9850360, 10342878, 10887240, 13790504, 14775540, 15912120, 17238130, 20685756, 25857195, 29551080, 34476260, 41371512, 51714390, 68952520, 103428780, 206857560]

約数ペア:

[(1, 206857560), (2, 103428780), (3, 68952520), (4, 51714390), (5, 41371512), (6, 34476260), (7, 29551080), (8, 25857195), (10, 20685756), (12, 17238130), (13, 15912120), (14, 14775540), (15, 13790504), (19, 10887240), (20, 10342878), (21, 9850360), (24, 8619065), (26, 7956060), (28, 7387770), (30, 6895252), (35, 5910216), (38, 5443620), (39, 5304040), (40, 5171439), (42, 4925180), (52, 3978030), (56, 3693885), (57, 3629080), (60, 3447626), (65, 3182424), (70, 2955108), (76, 2721810), (78, 2652020), (84, 2462590), (91, 2273160), (95, 2177448), (104, 1989015), (105, 1970072), (114, 1814540), (120, 1723813), (130, 1591212), (133, 1555320), (140, 1477554), (152, 1360905), (156, 1326010), (168, 1231295), (182, 1136580), (190, 1088724), (195, 1060808), (210, 985036), (228, 907270), (247, 837480), (260, 795606), (266, 777660), (273, 757720), (280, 738777), (285, 725816), (312, 663005), (364, 568290), (380, 544362), (390, 530404), (399, 518440), (420, 492518), (455, 454632), (456, 453635), (494, 418740), (520, 397803), (532, 388830), (546, 378860), (570, 362908), (665, 311064), (728, 284145), (741, 279160), (760, 272181), (780, 265202), (798, 259220), (840, 246259), (910, 227316), (988, 209370), (997, 207480), (1064, 194415), (1092, 189430), (1140, 181454), (1235, 167496), (1330, 155532), (1365, 151544), (1482, 139580), (1560, 132601), (1596, 129610), (1729, 119640), (1820, 113658), (1976, 104685), (1994, 103740), (1995, 103688), (2184, 94715), (2280, 90727), (2470, 83748), (2660, 77766), (2730, 75772), (2964, 69790), (2991, 69160), (3192, 64805), (3458, 59820), (3640, 56829), (3705, 55832), (3988, 51870), (3990, 51844), (4940, 41874), (4985, 41496), (5187, 39880), (5320, 38883), (5460, 37886), (5928, 34895), (5982, 34580), (6916, 29910), (6979, 29640), (7410, 27916), (7976, 25935), (7980, 25922), (8645, 23928), (9880, 20937), (9970, 20748), (10374, 19940), (10920, 18943), (11964, 17290), (12961, 15960), (13832, 14955), (13958, 14820)]