816254220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1\times {\mathrm{499}}^1$

素因数の和:847

約数の個数: 96

約数和(自身を含む): 2318400000

約数和(自身を除く): 1502145780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 137, 199, 274, 398, 411, 499, 548, 597, 685, 796, 822, 995, 998, 1194, 1370, 1497, 1644, 1990, 1996, 2055, 2388, 2495, 2740, 2985, 2994, 3980, 4110, 4990, 5970, 5988, 7485, 8220, 9980, 11940, 14970, 27263, 29940, 54526, 68363, 81789, 99301, 109052, 136315, 136726, 163578, 198602, 205089, 272630, 273452, 297903, 327156, 341815, 397204, 408945, 410178, 496505, 545260, 595806, 683630, 817890, 820356, 993010, 1025445, 1191612, 1367260, 1489515, 1635780, 1986020, 2050890, 2979030, 4101780, 5958060, 13604237, 27208474, 40812711, 54416948, 68021185, 81625422, 136042370, 163250844, 204063555, 272084740, 408127110, 816254220]

約数ペア:

[(1, 816254220), (2, 408127110), (3, 272084740), (4, 204063555), (5, 163250844), (6, 136042370), (10, 81625422), (12, 68021185), (15, 54416948), (20, 40812711), (30, 27208474), (60, 13604237), (137, 5958060), (199, 4101780), (274, 2979030), (398, 2050890), (411, 1986020), (499, 1635780), (548, 1489515), (597, 1367260), (685, 1191612), (796, 1025445), (822, 993010), (995, 820356), (998, 817890), (1194, 683630), (1370, 595806), (1497, 545260), (1644, 496505), (1990, 410178), (1996, 408945), (2055, 397204), (2388, 341815), (2495, 327156), (2740, 297903), (2985, 273452), (2994, 272630), (3980, 205089), (4110, 198602), (4990, 163578), (5970, 136726), (5988, 136315), (7485, 109052), (8220, 99301), (9980, 81789), (11940, 68363), (14970, 54526), (27263, 29940)]