81919584

素因数分解:

$2^5\times 3^2\times {\mathrm{61}}^1\times {\mathrm{4663}}^1$

素因数の和:4740

約数の個数: 72

約数和(自身を含む): 236828592

約数和(自身を除く): 154909008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 61, 72, 96, 122, 144, 183, 244, 288, 366, 488, 549, 732, 976, 1098, 1464, 1952, 2196, 2928, 4392, 4663, 5856, 8784, 9326, 13989, 17568, 18652, 27978, 37304, 41967, 55956, 74608, 83934, 111912, 149216, 167868, 223824, 284443, 335736, 447648, 568886, 671472, 853329, 1137772, 1342944, 1706658, 2275544, 2559987, 3413316, 4551088, 5119974, 6826632, 9102176, 10239948, 13653264, 20479896, 27306528, 40959792, 81919584]

約数ペア:

[(1, 81919584), (2, 40959792), (3, 27306528), (4, 20479896), (6, 13653264), (8, 10239948), (9, 9102176), (12, 6826632), (16, 5119974), (18, 4551088), (24, 3413316), (32, 2559987), (36, 2275544), (48, 1706658), (61, 1342944), (72, 1137772), (96, 853329), (122, 671472), (144, 568886), (183, 447648), (244, 335736), (288, 284443), (366, 223824), (488, 167868), (549, 149216), (732, 111912), (976, 83934), (1098, 74608), (1464, 55956), (1952, 41967), (2196, 37304), (2928, 27978), (4392, 18652), (4663, 17568), (5856, 13989), (8784, 9326)]