23156480

素因数分解:

$2^8\times 5^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:329

約数の個数: 72

約数和(自身を含む): 56414400

約数和(自身を除く): 33257920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 229, 256, 316, 320, 395, 458, 632, 640, 790, 916, 1145, 1264, 1280, 1580, 1832, 2290, 2528, 3160, 3664, 4580, 5056, 6320, 7328, 9160, 10112, 12640, 14656, 18091, 18320, 20224, 25280, 29312, 36182, 36640, 50560, 58624, 72364, 73280, 90455, 101120, 144728, 146560, 180910, 289456, 293120, 361820, 578912, 723640, 1157824, 1447280, 2315648, 2894560, 4631296, 5789120, 11578240, 23156480]

約数ペア:

[(1, 23156480), (2, 11578240), (4, 5789120), (5, 4631296), (8, 2894560), (10, 2315648), (16, 1447280), (20, 1157824), (32, 723640), (40, 578912), (64, 361820), (79, 293120), (80, 289456), (128, 180910), (158, 146560), (160, 144728), (229, 101120), (256, 90455), (316, 73280), (320, 72364), (395, 58624), (458, 50560), (632, 36640), (640, 36182), (790, 29312), (916, 25280), (1145, 20224), (1264, 18320), (1280, 18091), (1580, 14656), (1832, 12640), (2290, 10112), (2528, 9160), (3160, 7328), (3664, 6320), (4580, 5056)]