261227808

素因数分解:

$2^5\times 3^3\times {\mathrm{19}}^1\times {\mathrm{15913}}^1$

素因数の和:15951

約数の個数: 96

約数和(自身を含む): 802065600

約数和(自身を除く): 540837792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 72, 76, 96, 108, 114, 144, 152, 171, 216, 228, 288, 304, 342, 432, 456, 513, 608, 684, 864, 912, 1026, 1368, 1824, 2052, 2736, 4104, 5472, 8208, 15913, 16416, 31826, 47739, 63652, 95478, 127304, 143217, 190956, 254608, 286434, 302347, 381912, 429651, 509216, 572868, 604694, 763824, 859302, 907041, 1145736, 1209388, 1527648, 1718604, 1814082, 2291472, 2418776, 2721123, 3437208, 3628164, 4582944, 4837552, 5442246, 6874416, 7256328, 8163369, 9675104, 10884492, 13748832, 14512656, 16326738, 21768984, 29025312, 32653476, 43537968, 65306952, 87075936, 130613904, 261227808]

約数ペア:

[(1, 261227808), (2, 130613904), (3, 87075936), (4, 65306952), (6, 43537968), (8, 32653476), (9, 29025312), (12, 21768984), (16, 16326738), (18, 14512656), (19, 13748832), (24, 10884492), (27, 9675104), (32, 8163369), (36, 7256328), (38, 6874416), (48, 5442246), (54, 4837552), (57, 4582944), (72, 3628164), (76, 3437208), (96, 2721123), (108, 2418776), (114, 2291472), (144, 1814082), (152, 1718604), (171, 1527648), (216, 1209388), (228, 1145736), (288, 907041), (304, 859302), (342, 763824), (432, 604694), (456, 572868), (513, 509216), (608, 429651), (684, 381912), (864, 302347), (912, 286434), (1026, 254608), (1368, 190956), (1824, 143217), (2052, 127304), (2736, 95478), (4104, 63652), (5472, 47739), (8208, 31826), (15913, 16416)]