818455428

素因数分解:

$2^2\times 3^4\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1663}}^1$

素因数の和:1724

約数の個数: 180

約数和(自身を含む): 2570760192

約数和(自身を除く): 1752304764

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 31, 36, 42, 49, 54, 62, 63, 81, 84, 93, 98, 108, 124, 126, 147, 162, 186, 189, 196, 217, 252, 279, 294, 324, 372, 378, 434, 441, 558, 567, 588, 651, 756, 837, 868, 882, 1116, 1134, 1302, 1323, 1519, 1663, 1674, 1764, 1953, 2268, 2511, 2604, 2646, 3038, 3326, 3348, 3906, 3969, 4557, 4989, 5022, 5292, 5859, 6076, 6652, 7812, 7938, 9114, 9978, 10044, 11641, 11718, 13671, 14967, 15876, 17577, 18228, 19956, 23282, 23436, 27342, 29934, 34923, 35154, 41013, 44901, 46564, 51553, 54684, 59868, 69846, 70308, 81487, 82026, 89802, 103106, 104769, 123039, 134703, 139692, 154659, 162974, 164052, 179604, 206212, 209538, 244461, 246078, 269406, 309318, 314307, 325948, 360871, 419076, 463977, 488922, 492156, 538812, 618636, 628614, 721742, 733383, 927954, 942921, 977844, 1082613, 1257228, 1391931, 1443484, 1466766, 1855908, 1885842, 2165226, 2200149, 2526097, 2783862, 2933532, 3247839, 3771684, 4175793, 4330452, 4400298, 5052194, 5567724, 6495678, 6600447, 7578291, 8351586, 8800596, 9743517, 10104388, 12991356, 13200894, 15156582, 16703172, 19487034, 22734873, 26401788, 29230551, 30313164, 38974068, 45469746, 58461102, 68204619, 90939492, 116922204, 136409238, 204613857, 272818476, 409227714, 818455428]

約数ペア:

[(1, 818455428), (2, 409227714), (3, 272818476), (4, 204613857), (6, 136409238), (7, 116922204), (9, 90939492), (12, 68204619), (14, 58461102), (18, 45469746), (21, 38974068), (27, 30313164), (28, 29230551), (31, 26401788), (36, 22734873), (42, 19487034), (49, 16703172), (54, 15156582), (62, 13200894), (63, 12991356), (81, 10104388), (84, 9743517), (93, 8800596), (98, 8351586), (108, 7578291), (124, 6600447), (126, 6495678), (147, 5567724), (162, 5052194), (186, 4400298), (189, 4330452), (196, 4175793), (217, 3771684), (252, 3247839), (279, 2933532), (294, 2783862), (324, 2526097), (372, 2200149), (378, 2165226), (434, 1885842), (441, 1855908), (558, 1466766), (567, 1443484), (588, 1391931), (651, 1257228), (756, 1082613), (837, 977844), (868, 942921), (882, 927954), (1116, 733383), (1134, 721742), (1302, 628614), (1323, 618636), (1519, 538812), (1663, 492156), (1674, 488922), (1764, 463977), (1953, 419076), (2268, 360871), (2511, 325948), (2604, 314307), (2646, 309318), (3038, 269406), (3326, 246078), (3348, 244461), (3906, 209538), (3969, 206212), (4557, 179604), (4989, 164052), (5022, 162974), (5292, 154659), (5859, 139692), (6076, 134703), (6652, 123039), (7812, 104769), (7938, 103106), (9114, 89802), (9978, 82026), (10044, 81487), (11641, 70308), (11718, 69846), (13671, 59868), (14967, 54684), (15876, 51553), (17577, 46564), (18228, 44901), (19956, 41013), (23282, 35154), (23436, 34923), (27342, 29934)]