181873458

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:225

約数の個数: 128

約数和(自身を含む): 457228800

約数和(自身を除く): 275355342

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 41, 54, 71, 78, 82, 89, 117, 123, 142, 178, 213, 234, 246, 267, 351, 369, 426, 533, 534, 639, 702, 738, 801, 923, 1066, 1107, 1157, 1278, 1599, 1602, 1846, 1917, 2214, 2314, 2403, 2769, 2911, 3198, 3471, 3649, 3834, 4797, 4806, 5538, 5822, 6319, 6942, 7298, 8307, 8733, 9594, 10413, 10947, 12638, 14391, 16614, 17466, 18957, 20826, 21894, 24921, 26199, 28782, 31239, 32841, 37843, 37914, 47437, 49842, 52398, 56871, 62478, 65682, 75686, 78597, 82147, 94874, 98523, 113529, 113742, 142311, 157194, 164294, 170613, 197046, 227058, 246441, 259079, 284622, 340587, 341226, 426933, 492882, 518158, 681174, 739323, 777237, 853866, 1021761, 1280799, 1478646, 1554474, 2043522, 2217969, 2331711, 2561598, 3368027, 4435938, 4663422, 6736054, 6995133, 10104081, 13990266, 20208162, 30312243, 60624486, 90936729, 181873458]

約数ペア:

[(1, 181873458), (2, 90936729), (3, 60624486), (6, 30312243), (9, 20208162), (13, 13990266), (18, 10104081), (26, 6995133), (27, 6736054), (39, 4663422), (41, 4435938), (54, 3368027), (71, 2561598), (78, 2331711), (82, 2217969), (89, 2043522), (117, 1554474), (123, 1478646), (142, 1280799), (178, 1021761), (213, 853866), (234, 777237), (246, 739323), (267, 681174), (351, 518158), (369, 492882), (426, 426933), (533, 341226), (534, 340587), (639, 284622), (702, 259079), (738, 246441), (801, 227058), (923, 197046), (1066, 170613), (1107, 164294), (1157, 157194), (1278, 142311), (1599, 113742), (1602, 113529), (1846, 98523), (1917, 94874), (2214, 82147), (2314, 78597), (2403, 75686), (2769, 65682), (2911, 62478), (3198, 56871), (3471, 52398), (3649, 49842), (3834, 47437), (4797, 37914), (4806, 37843), (5538, 32841), (5822, 31239), (6319, 28782), (6942, 26199), (7298, 24921), (8307, 21894), (8733, 20826), (9594, 18957), (10413, 17466), (10947, 16614), (12638, 14391)]