30281984

素因数分解:

$2^8\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:215

約数の個数: 72

約数和(自身を含む): 65244480

約数和(自身を除く): 34962496

約数列:

[1, 2, 4, 8, 16, 23, 32, 37, 46, 64, 74, 92, 128, 139, 148, 184, 256, 278, 296, 368, 556, 592, 736, 851, 1112, 1184, 1472, 1702, 2224, 2368, 2944, 3197, 3404, 4448, 4736, 5143, 5888, 6394, 6808, 8896, 9472, 10286, 12788, 13616, 17792, 20572, 25576, 27232, 35584, 41144, 51152, 54464, 82288, 102304, 108928, 118289, 164576, 204608, 217856, 236578, 329152, 409216, 473156, 658304, 818432, 946312, 1316608, 1892624, 3785248, 7570496, 15140992, 30281984]

約数ペア:

[(1, 30281984), (2, 15140992), (4, 7570496), (8, 3785248), (16, 1892624), (23, 1316608), (32, 946312), (37, 818432), (46, 658304), (64, 473156), (74, 409216), (92, 329152), (128, 236578), (139, 217856), (148, 204608), (184, 164576), (256, 118289), (278, 108928), (296, 102304), (368, 82288), (556, 54464), (592, 51152), (736, 41144), (851, 35584), (1112, 27232), (1184, 25576), (1472, 20572), (1702, 17792), (2224, 13616), (2368, 12788), (2944, 10286), (3197, 9472), (3404, 8896), (4448, 6808), (4736, 6394), (5143, 5888)]