7185261460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{20639}}^1$

素因数の和:20777

約数の個数: 72

約数和(自身を含む): 16498460160

約数和(自身を除く): 9313198700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 103, 130, 169, 206, 260, 338, 412, 515, 676, 845, 1030, 1339, 1690, 2060, 2678, 3380, 5356, 6695, 13390, 17407, 20639, 26780, 34814, 41278, 69628, 82556, 87035, 103195, 174070, 206390, 268307, 348140, 412780, 536614, 1073228, 1341535, 2125817, 2683070, 3487991, 4251634, 5366140, 6975982, 8503268, 10629085, 13951964, 17439955, 21258170, 27635621, 34879910, 42516340, 55271242, 69759820, 110542484, 138178105, 276356210, 359263073, 552712420, 718526146, 1437052292, 1796315365, 3592630730, 7185261460]

約数ペア:

[(1, 7185261460), (2, 3592630730), (4, 1796315365), (5, 1437052292), (10, 718526146), (13, 552712420), (20, 359263073), (26, 276356210), (52, 138178105), (65, 110542484), (103, 69759820), (130, 55271242), (169, 42516340), (206, 34879910), (260, 27635621), (338, 21258170), (412, 17439955), (515, 13951964), (676, 10629085), (845, 8503268), (1030, 6975982), (1339, 5366140), (1690, 4251634), (2060, 3487991), (2678, 2683070), (3380, 2125817), (5356, 1341535), (6695, 1073228), (13390, 536614), (17407, 412780), (20639, 348140), (26780, 268307), (34814, 206390), (41278, 174070), (69628, 103195), (82556, 87035)]