80748290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{557}}^1$

素因数の和:699

約数の個数: 64

約数和(自身を含む): 176774400

約数和(自身を除く): 96026110

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 109, 133, 190, 218, 266, 545, 557, 665, 763, 1090, 1114, 1330, 1526, 2071, 2785, 3815, 3899, 4142, 5570, 7630, 7798, 10355, 10583, 14497, 19495, 20710, 21166, 28994, 38990, 52915, 60713, 72485, 74081, 105830, 121426, 144970, 148162, 303565, 370405, 424991, 607130, 740810, 849982, 1153547, 2124955, 2307094, 4249910, 5767735, 8074829, 11535470, 16149658, 40374145, 80748290]

約数ペア:

[(1, 80748290), (2, 40374145), (5, 16149658), (7, 11535470), (10, 8074829), (14, 5767735), (19, 4249910), (35, 2307094), (38, 2124955), (70, 1153547), (95, 849982), (109, 740810), (133, 607130), (190, 424991), (218, 370405), (266, 303565), (545, 148162), (557, 144970), (665, 121426), (763, 105830), (1090, 74081), (1114, 72485), (1330, 60713), (1526, 52915), (2071, 38990), (2785, 28994), (3815, 21166), (3899, 20710), (4142, 19495), (5570, 14497), (7630, 10583), (7798, 10355)]