78436890

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{883}}^1$

素因数の和:953

約数の個数: 128

約数和(自身を含む): 244408320

約数和(自身を除く): 165971430

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 47, 54, 63, 70, 90, 94, 105, 126, 135, 141, 189, 210, 235, 270, 282, 315, 329, 378, 423, 470, 630, 658, 705, 846, 883, 945, 987, 1269, 1410, 1645, 1766, 1890, 1974, 2115, 2538, 2649, 2961, 3290, 4230, 4415, 4935, 5298, 5922, 6181, 6345, 7947, 8830, 8883, 9870, 12362, 12690, 13245, 14805, 15894, 17766, 18543, 23841, 26490, 29610, 30905, 37086, 39735, 41501, 44415, 47682, 55629, 61810, 79470, 83002, 88830, 92715, 111258, 119205, 124503, 166887, 185430, 207505, 238410, 249006, 278145, 290507, 333774, 373509, 415010, 556290, 581014, 622515, 747018, 834435, 871521, 1120527, 1245030, 1452535, 1668870, 1743042, 1867545, 2241054, 2614563, 2905070, 3735090, 4357605, 5229126, 5602635, 7843689, 8715210, 11205270, 13072815, 15687378, 26145630, 39218445, 78436890]

約数ペア:

[(1, 78436890), (2, 39218445), (3, 26145630), (5, 15687378), (6, 13072815), (7, 11205270), (9, 8715210), (10, 7843689), (14, 5602635), (15, 5229126), (18, 4357605), (21, 3735090), (27, 2905070), (30, 2614563), (35, 2241054), (42, 1867545), (45, 1743042), (47, 1668870), (54, 1452535), (63, 1245030), (70, 1120527), (90, 871521), (94, 834435), (105, 747018), (126, 622515), (135, 581014), (141, 556290), (189, 415010), (210, 373509), (235, 333774), (270, 290507), (282, 278145), (315, 249006), (329, 238410), (378, 207505), (423, 185430), (470, 166887), (630, 124503), (658, 119205), (705, 111258), (846, 92715), (883, 88830), (945, 83002), (987, 79470), (1269, 61810), (1410, 55629), (1645, 47682), (1766, 44415), (1890, 41501), (1974, 39735), (2115, 37086), (2538, 30905), (2649, 29610), (2961, 26490), (3290, 23841), (4230, 18543), (4415, 17766), (4935, 15894), (5298, 14805), (5922, 13245), (6181, 12690), (6345, 12362), (7947, 9870), (8830, 8883)]