78542865

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:268

約数の個数: 80

約数和(自身を含む): 151588800

約数和(自身を除く): 73045935

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 59, 81, 95, 135, 171, 173, 177, 285, 295, 405, 513, 519, 531, 855, 865, 885, 1121, 1539, 1557, 1593, 2565, 2595, 2655, 3287, 3363, 4671, 4779, 5605, 7695, 7785, 7965, 9861, 10089, 10207, 14013, 16435, 16815, 23355, 23895, 29583, 30267, 30621, 49305, 50445, 51035, 70065, 88749, 90801, 91863, 147915, 151335, 153105, 193933, 266247, 275589, 443745, 454005, 459315, 581799, 826767, 969665, 1331235, 1377945, 1745397, 2908995, 4133835, 5236191, 8726985, 15708573, 26180955, 78542865]

約数ペア:

[(1, 78542865), (3, 26180955), (5, 15708573), (9, 8726985), (15, 5236191), (19, 4133835), (27, 2908995), (45, 1745397), (57, 1377945), (59, 1331235), (81, 969665), (95, 826767), (135, 581799), (171, 459315), (173, 454005), (177, 443745), (285, 275589), (295, 266247), (405, 193933), (513, 153105), (519, 151335), (531, 147915), (855, 91863), (865, 90801), (885, 88749), (1121, 70065), (1539, 51035), (1557, 50445), (1593, 49305), (2565, 30621), (2595, 30267), (2655, 29583), (3287, 23895), (3363, 23355), (4671, 16815), (4779, 16435), (5605, 14013), (7695, 10207), (7785, 10089), (7965, 9861)]