409408020

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{457}}^1$

素因数の和:564

約数の個数: 240

約数和(自身を含む): 1489635840

約数和(自身を除く): 1080227820

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 79, 81, 84, 90, 105, 108, 126, 135, 140, 158, 162, 180, 189, 210, 237, 252, 270, 315, 316, 324, 378, 395, 405, 420, 457, 474, 540, 553, 567, 630, 711, 756, 790, 810, 914, 945, 948, 1106, 1134, 1185, 1260, 1371, 1422, 1580, 1620, 1659, 1828, 1890, 2133, 2212, 2268, 2285, 2370, 2742, 2765, 2835, 2844, 3199, 3318, 3555, 3780, 4113, 4266, 4570, 4740, 4977, 5484, 5530, 5670, 6398, 6399, 6636, 6855, 7110, 8226, 8295, 8532, 9140, 9597, 9954, 10665, 11060, 11340, 12339, 12796, 12798, 13710, 14220, 14931, 15995, 16452, 16590, 19194, 19908, 20565, 21330, 24678, 24885, 25596, 27420, 28791, 29862, 31990, 31995, 33180, 36103, 37017, 38388, 41130, 42660, 44793, 47985, 49356, 49770, 57582, 59724, 61695, 63980, 63990, 72206, 74034, 74655, 82260, 86373, 89586, 95970, 99540, 108309, 115164, 123390, 127980, 143955, 144412, 148068, 149310, 172746, 179172, 180515, 185085, 191940, 216618, 223965, 246780, 252721, 259119, 287910, 298620, 324927, 345492, 361030, 370170, 431865, 433236, 447930, 505442, 518238, 541545, 575820, 649854, 722060, 740340, 758163, 863730, 895860, 974781, 1010884, 1036476, 1083090, 1263605, 1295595, 1299708, 1516326, 1624635, 1727460, 1949562, 2166180, 2274489, 2527210, 2591190, 2924343, 3032652, 3249270, 3790815, 3899124, 4548978, 4873905, 5054420, 5182380, 5848686, 6498540, 6823467, 7581630, 9097956, 9747810, 11372445, 11697372, 13646934, 14621715, 15163260, 19495620, 20470401, 22744890, 27293868, 29243430, 34117335, 40940802, 45489780, 58486860, 68234670, 81881604, 102352005, 136469340, 204704010, 409408020]

約数ペア:

[(1, 409408020), (2, 204704010), (3, 136469340), (4, 102352005), (5, 81881604), (6, 68234670), (7, 58486860), (9, 45489780), (10, 40940802), (12, 34117335), (14, 29243430), (15, 27293868), (18, 22744890), (20, 20470401), (21, 19495620), (27, 15163260), (28, 14621715), (30, 13646934), (35, 11697372), (36, 11372445), (42, 9747810), (45, 9097956), (54, 7581630), (60, 6823467), (63, 6498540), (70, 5848686), (79, 5182380), (81, 5054420), (84, 4873905), (90, 4548978), (105, 3899124), (108, 3790815), (126, 3249270), (135, 3032652), (140, 2924343), (158, 2591190), (162, 2527210), (180, 2274489), (189, 2166180), (210, 1949562), (237, 1727460), (252, 1624635), (270, 1516326), (315, 1299708), (316, 1295595), (324, 1263605), (378, 1083090), (395, 1036476), (405, 1010884), (420, 974781), (457, 895860), (474, 863730), (540, 758163), (553, 740340), (567, 722060), (630, 649854), (711, 575820), (756, 541545), (790, 518238), (810, 505442), (914, 447930), (945, 433236), (948, 431865), (1106, 370170), (1134, 361030), (1185, 345492), (1260, 324927), (1371, 298620), (1422, 287910), (1580, 259119), (1620, 252721), (1659, 246780), (1828, 223965), (1890, 216618), (2133, 191940), (2212, 185085), (2268, 180515), (2285, 179172), (2370, 172746), (2742, 149310), (2765, 148068), (2835, 144412), (2844, 143955), (3199, 127980), (3318, 123390), (3555, 115164), (3780, 108309), (4113, 99540), (4266, 95970), (4570, 89586), (4740, 86373), (4977, 82260), (5484, 74655), (5530, 74034), (5670, 72206), (6398, 63990), (6399, 63980), (6636, 61695), (6855, 59724), (7110, 57582), (8226, 49770), (8295, 49356), (8532, 47985), (9140, 44793), (9597, 42660), (9954, 41130), (10665, 38388), (11060, 37017), (11340, 36103), (12339, 33180), (12796, 31995), (12798, 31990), (13710, 29862), (14220, 28791), (14931, 27420), (15995, 25596), (16452, 24885), (16590, 24678), (19194, 21330), (19908, 20565)]