72117825

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1$

素因数の和:291

約数の個数: 96

約数和(自身を含む): 143740800

約数和(自身を除く): 71622975

約数列:

[1, 3, 5, 13, 15, 17, 19, 25, 39, 51, 57, 65, 75, 85, 95, 195, 221, 229, 247, 255, 285, 323, 325, 425, 475, 663, 687, 741, 969, 975, 1105, 1145, 1235, 1275, 1425, 1615, 2977, 3315, 3435, 3705, 3893, 4199, 4351, 4845, 5525, 5725, 6175, 8075, 8931, 11679, 12597, 13053, 14885, 16575, 17175, 18525, 19465, 20995, 21755, 24225, 44655, 50609, 56563, 58395, 62985, 65265, 73967, 74425, 97325, 104975, 108775, 151827, 169689, 221901, 223275, 253045, 282815, 291975, 314925, 326325, 369835, 759135, 848445, 961571, 1109505, 1265225, 1414075, 1849175, 2884713, 3795675, 4242225, 4807855, 5547525, 14423565, 24039275, 72117825]

約数ペア:

[(1, 72117825), (3, 24039275), (5, 14423565), (13, 5547525), (15, 4807855), (17, 4242225), (19, 3795675), (25, 2884713), (39, 1849175), (51, 1414075), (57, 1265225), (65, 1109505), (75, 961571), (85, 848445), (95, 759135), (195, 369835), (221, 326325), (229, 314925), (247, 291975), (255, 282815), (285, 253045), (323, 223275), (325, 221901), (425, 169689), (475, 151827), (663, 108775), (687, 104975), (741, 97325), (969, 74425), (975, 73967), (1105, 65265), (1145, 62985), (1235, 58395), (1275, 56563), (1425, 50609), (1615, 44655), (2977, 24225), (3315, 21755), (3435, 20995), (3705, 19465), (3893, 18525), (4199, 17175), (4351, 16575), (4845, 14885), (5525, 13053), (5725, 12597), (6175, 11679), (8075, 8931)]