72661428

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{223}}^1\times {\mathrm{431}}^1$

素因数の和:674

約数の個数: 96

約数和(自身を含む): 216760320

約数和(自身を除く): 144098892

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 223, 252, 378, 431, 446, 669, 756, 862, 892, 1293, 1338, 1561, 1724, 2007, 2586, 2676, 3017, 3122, 3879, 4014, 4683, 5172, 6021, 6034, 6244, 7758, 8028, 9051, 9366, 11637, 12042, 12068, 14049, 15516, 18102, 18732, 23274, 24084, 27153, 28098, 36204, 42147, 46548, 54306, 56196, 81459, 84294, 96113, 108612, 162918, 168588, 192226, 288339, 325836, 384452, 576678, 672791, 865017, 1153356, 1345582, 1730034, 2018373, 2595051, 2691164, 3460068, 4036746, 5190102, 6055119, 8073492, 10380204, 12110238, 18165357, 24220476, 36330714, 72661428]

約数ペア:

[(1, 72661428), (2, 36330714), (3, 24220476), (4, 18165357), (6, 12110238), (7, 10380204), (9, 8073492), (12, 6055119), (14, 5190102), (18, 4036746), (21, 3460068), (27, 2691164), (28, 2595051), (36, 2018373), (42, 1730034), (54, 1345582), (63, 1153356), (84, 865017), (108, 672791), (126, 576678), (189, 384452), (223, 325836), (252, 288339), (378, 192226), (431, 168588), (446, 162918), (669, 108612), (756, 96113), (862, 84294), (892, 81459), (1293, 56196), (1338, 54306), (1561, 46548), (1724, 42147), (2007, 36204), (2586, 28098), (2676, 27153), (3017, 24084), (3122, 23274), (3879, 18732), (4014, 18102), (4683, 15516), (5172, 14049), (6021, 12068), (6034, 12042), (6244, 11637), (7758, 9366), (8028, 9051)]