280739916

素因数分解:

$2^2\times 3^2\times {\mathrm{67}}^1\times {\mathrm{239}}^1\times {\mathrm{487}}^1$

素因数の和:803

約数の個数: 72

約数和(自身を含む): 724738560

約数和(自身を除く): 443998644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 67, 134, 201, 239, 268, 402, 478, 487, 603, 717, 804, 956, 974, 1206, 1434, 1461, 1948, 2151, 2412, 2868, 2922, 4302, 4383, 5844, 8604, 8766, 16013, 17532, 32026, 32629, 48039, 64052, 65258, 96078, 97887, 116393, 130516, 144117, 192156, 195774, 232786, 288234, 293661, 349179, 391548, 465572, 576468, 587322, 698358, 1047537, 1174644, 1396716, 2095074, 4190148, 7798331, 15596662, 23394993, 31193324, 46789986, 70184979, 93579972, 140369958, 280739916]

約数ペア:

[(1, 280739916), (2, 140369958), (3, 93579972), (4, 70184979), (6, 46789986), (9, 31193324), (12, 23394993), (18, 15596662), (36, 7798331), (67, 4190148), (134, 2095074), (201, 1396716), (239, 1174644), (268, 1047537), (402, 698358), (478, 587322), (487, 576468), (603, 465572), (717, 391548), (804, 349179), (956, 293661), (974, 288234), (1206, 232786), (1434, 195774), (1461, 192156), (1948, 144117), (2151, 130516), (2412, 116393), (2868, 97887), (2922, 96078), (4302, 65258), (4383, 64052), (5844, 48039), (8604, 32629), (8766, 32026), (16013, 17532)]