261295056

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{563}}^1$

素因数の和:881

約数の個数: 120

約数和(自身を含む): 801886176

約数和(自身を除く): 540591120

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 88, 99, 132, 144, 176, 198, 264, 293, 396, 528, 563, 586, 792, 879, 1126, 1172, 1584, 1689, 1758, 2252, 2344, 2637, 3223, 3378, 3516, 4504, 4688, 5067, 5274, 6193, 6446, 6756, 7032, 9008, 9669, 10134, 10548, 12386, 12892, 13512, 14064, 18579, 19338, 20268, 21096, 24772, 25784, 27024, 29007, 37158, 38676, 40536, 42192, 49544, 51568, 55737, 58014, 74316, 77352, 81072, 99088, 111474, 116028, 148632, 154704, 164959, 222948, 232056, 297264, 329918, 445896, 464112, 494877, 659836, 891792, 989754, 1319672, 1484631, 1814549, 1979508, 2639344, 2969262, 3629098, 3959016, 5443647, 5938524, 7258196, 7918032, 10887294, 11877048, 14516392, 16330941, 21774588, 23754096, 29032784, 32661882, 43549176, 65323764, 87098352, 130647528, 261295056]

約数ペア:

[(1, 261295056), (2, 130647528), (3, 87098352), (4, 65323764), (6, 43549176), (8, 32661882), (9, 29032784), (11, 23754096), (12, 21774588), (16, 16330941), (18, 14516392), (22, 11877048), (24, 10887294), (33, 7918032), (36, 7258196), (44, 5938524), (48, 5443647), (66, 3959016), (72, 3629098), (88, 2969262), (99, 2639344), (132, 1979508), (144, 1814549), (176, 1484631), (198, 1319672), (264, 989754), (293, 891792), (396, 659836), (528, 494877), (563, 464112), (586, 445896), (792, 329918), (879, 297264), (1126, 232056), (1172, 222948), (1584, 164959), (1689, 154704), (1758, 148632), (2252, 116028), (2344, 111474), (2637, 99088), (3223, 81072), (3378, 77352), (3516, 74316), (4504, 58014), (4688, 55737), (5067, 51568), (5274, 49544), (6193, 42192), (6446, 40536), (6756, 38676), (7032, 37158), (9008, 29007), (9669, 27024), (10134, 25784), (10548, 24772), (12386, 21096), (12892, 20268), (13512, 19338), (14064, 18579)]