818565984

素因数分解:

$2^5\times 3^2\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{383}}^1$

素因数の和:621

約数の個数: 144

約数和(自身を含む): 2404007424

約数和(自身を除く): 1585441440

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 41, 48, 72, 82, 96, 123, 144, 164, 181, 246, 288, 328, 362, 369, 383, 492, 543, 656, 724, 738, 766, 984, 1086, 1149, 1312, 1448, 1476, 1532, 1629, 1968, 2172, 2298, 2896, 2952, 3064, 3258, 3447, 3936, 4344, 4596, 5792, 5904, 6128, 6516, 6894, 7421, 8688, 9192, 11808, 12256, 13032, 13788, 14842, 15703, 17376, 18384, 22263, 26064, 27576, 29684, 31406, 36768, 44526, 47109, 52128, 55152, 59368, 62812, 66789, 69323, 89052, 94218, 110304, 118736, 125624, 133578, 138646, 141327, 178104, 188436, 207969, 237472, 251248, 267156, 277292, 282654, 356208, 376872, 415938, 502496, 534312, 554584, 565308, 623907, 712416, 753744, 831876, 1068624, 1109168, 1130616, 1247814, 1507488, 1663752, 2137248, 2218336, 2261232, 2495628, 2842243, 3327504, 4522464, 4991256, 5684486, 6655008, 8526729, 9982512, 11368972, 17053458, 19965024, 22737944, 25580187, 34106916, 45475888, 51160374, 68213832, 90951776, 102320748, 136427664, 204641496, 272855328, 409282992, 818565984]

約数ペア:

[(1, 818565984), (2, 409282992), (3, 272855328), (4, 204641496), (6, 136427664), (8, 102320748), (9, 90951776), (12, 68213832), (16, 51160374), (18, 45475888), (24, 34106916), (32, 25580187), (36, 22737944), (41, 19965024), (48, 17053458), (72, 11368972), (82, 9982512), (96, 8526729), (123, 6655008), (144, 5684486), (164, 4991256), (181, 4522464), (246, 3327504), (288, 2842243), (328, 2495628), (362, 2261232), (369, 2218336), (383, 2137248), (492, 1663752), (543, 1507488), (656, 1247814), (724, 1130616), (738, 1109168), (766, 1068624), (984, 831876), (1086, 753744), (1149, 712416), (1312, 623907), (1448, 565308), (1476, 554584), (1532, 534312), (1629, 502496), (1968, 415938), (2172, 376872), (2298, 356208), (2896, 282654), (2952, 277292), (3064, 267156), (3258, 251248), (3447, 237472), (3936, 207969), (4344, 188436), (4596, 178104), (5792, 141327), (5904, 138646), (6128, 133578), (6516, 125624), (6894, 118736), (7421, 110304), (8688, 94218), (9192, 89052), (11808, 69323), (12256, 66789), (13032, 62812), (13788, 59368), (14842, 55152), (15703, 52128), (17376, 47109), (18384, 44526), (22263, 36768), (26064, 31406), (27576, 29684)]