72044895

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:352

約数の個数: 64

約数和(自身を含む): 133346304

約数和(自身を除く): 61301409

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 103, 195, 211, 221, 255, 309, 515, 633, 663, 1055, 1105, 1339, 1545, 1751, 2743, 3165, 3315, 3587, 4017, 5253, 6695, 8229, 8755, 10761, 13715, 17935, 20085, 21733, 22763, 26265, 41145, 46631, 53805, 65199, 68289, 108665, 113815, 139893, 233155, 282529, 325995, 341445, 369461, 699465, 847587, 1108383, 1412645, 1847305, 4237935, 4802993, 5541915, 14408979, 24014965, 72044895]

約数ペア:

[(1, 72044895), (3, 24014965), (5, 14408979), (13, 5541915), (15, 4802993), (17, 4237935), (39, 1847305), (51, 1412645), (65, 1108383), (85, 847587), (103, 699465), (195, 369461), (211, 341445), (221, 325995), (255, 282529), (309, 233155), (515, 139893), (633, 113815), (663, 108665), (1055, 68289), (1105, 65199), (1339, 53805), (1545, 46631), (1751, 41145), (2743, 26265), (3165, 22763), (3315, 21733), (3587, 20085), (4017, 17935), (5253, 13715), (6695, 10761), (8229, 8755)]