257611728

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{25679}}^1$

素因数の和:25720

約数の個数: 80

約数和(自身を含む): 764236800

約数和(自身を除く): 506625072

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 19, 22, 24, 33, 38, 44, 48, 57, 66, 76, 88, 114, 132, 152, 176, 209, 228, 264, 304, 418, 456, 528, 627, 836, 912, 1254, 1672, 2508, 3344, 5016, 10032, 25679, 51358, 77037, 102716, 154074, 205432, 282469, 308148, 410864, 487901, 564938, 616296, 847407, 975802, 1129876, 1232592, 1463703, 1694814, 1951604, 2259752, 2927406, 3389628, 3903208, 4519504, 5366911, 5854812, 6779256, 7806416, 10733822, 11709624, 13558512, 16100733, 21467644, 23419248, 32201466, 42935288, 64402932, 85870576, 128805864, 257611728]

約数ペア:

[(1, 257611728), (2, 128805864), (3, 85870576), (4, 64402932), (6, 42935288), (8, 32201466), (11, 23419248), (12, 21467644), (16, 16100733), (19, 13558512), (22, 11709624), (24, 10733822), (33, 7806416), (38, 6779256), (44, 5854812), (48, 5366911), (57, 4519504), (66, 3903208), (76, 3389628), (88, 2927406), (114, 2259752), (132, 1951604), (152, 1694814), (176, 1463703), (209, 1232592), (228, 1129876), (264, 975802), (304, 847407), (418, 616296), (456, 564938), (528, 487901), (627, 410864), (836, 308148), (912, 282469), (1254, 205432), (1672, 154074), (2508, 102716), (3344, 77037), (5016, 51358), (10032, 25679)]