2786349780

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{359}}^1\times {\mathrm{1597}}^1$

素因数の和:1980

約数の個数: 144

約数和(自身を含む): 8794880640

約数和(自身を除く): 6008530860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 359, 405, 486, 540, 718, 810, 972, 1077, 1215, 1436, 1597, 1620, 1795, 2154, 2430, 3194, 3231, 3590, 4308, 4791, 4860, 5385, 6388, 6462, 7180, 7985, 9582, 9693, 10770, 12924, 14373, 15970, 16155, 19164, 19386, 21540, 23955, 28746, 29079, 31940, 32310, 38772, 43119, 47910, 48465, 57492, 58158, 64620, 71865, 86238, 87237, 95820, 96930, 116316, 129357, 143730, 145395, 172476, 174474, 193860, 215595, 258714, 287460, 290790, 348948, 388071, 431190, 436185, 517428, 573323, 581580, 646785, 776142, 862380, 872370, 1146646, 1293570, 1552284, 1719969, 1744740, 1940355, 2293292, 2587140, 2866615, 3439938, 3880710, 5159907, 5733230, 6879876, 7761420, 8599845, 10319814, 11466460, 15479721, 17199690, 20639628, 25799535, 30959442, 34399380, 46439163, 51599070, 61918884, 77398605, 92878326, 103198140, 139317489, 154797210, 185756652, 232195815, 278634978, 309594420, 464391630, 557269956, 696587445, 928783260, 1393174890, 2786349780]

約数ペア:

[(1, 2786349780), (2, 1393174890), (3, 928783260), (4, 696587445), (5, 557269956), (6, 464391630), (9, 309594420), (10, 278634978), (12, 232195815), (15, 185756652), (18, 154797210), (20, 139317489), (27, 103198140), (30, 92878326), (36, 77398605), (45, 61918884), (54, 51599070), (60, 46439163), (81, 34399380), (90, 30959442), (108, 25799535), (135, 20639628), (162, 17199690), (180, 15479721), (243, 11466460), (270, 10319814), (324, 8599845), (359, 7761420), (405, 6879876), (486, 5733230), (540, 5159907), (718, 3880710), (810, 3439938), (972, 2866615), (1077, 2587140), (1215, 2293292), (1436, 1940355), (1597, 1744740), (1620, 1719969), (1795, 1552284), (2154, 1293570), (2430, 1146646), (3194, 872370), (3231, 862380), (3590, 776142), (4308, 646785), (4791, 581580), (4860, 573323), (5385, 517428), (6388, 436185), (6462, 431190), (7180, 388071), (7985, 348948), (9582, 290790), (9693, 287460), (10770, 258714), (12924, 215595), (14373, 193860), (15970, 174474), (16155, 172476), (19164, 145395), (19386, 143730), (21540, 129357), (23955, 116316), (28746, 96930), (29079, 95820), (31940, 87237), (32310, 86238), (38772, 71865), (43119, 64620), (47910, 58158), (48465, 57492)]