128705304

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1901}}^1$

素因数の和:1961

約数の個数: 128

約数和(自身を含む): 409006080

約数和(自身を除く): 280300776

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 31, 39, 42, 52, 56, 62, 78, 84, 91, 93, 104, 124, 156, 168, 182, 186, 217, 248, 273, 312, 364, 372, 403, 434, 546, 651, 728, 744, 806, 868, 1092, 1209, 1302, 1612, 1736, 1901, 2184, 2418, 2604, 2821, 3224, 3802, 4836, 5208, 5642, 5703, 7604, 8463, 9672, 11284, 11406, 13307, 15208, 16926, 22568, 22812, 24713, 26614, 33852, 39921, 45624, 49426, 53228, 58931, 67704, 74139, 79842, 98852, 106456, 117862, 148278, 159684, 172991, 176793, 197704, 235724, 296556, 319368, 345982, 353586, 412517, 471448, 518973, 593112, 691964, 707172, 766103, 825034, 1037946, 1237551, 1383928, 1414344, 1532206, 1650068, 2075892, 2298309, 2475102, 3064412, 3300136, 4151784, 4596618, 4950204, 5362721, 6128824, 9193236, 9900408, 10725442, 16088163, 18386472, 21450884, 32176326, 42901768, 64352652, 128705304]

約数ペア:

[(1, 128705304), (2, 64352652), (3, 42901768), (4, 32176326), (6, 21450884), (7, 18386472), (8, 16088163), (12, 10725442), (13, 9900408), (14, 9193236), (21, 6128824), (24, 5362721), (26, 4950204), (28, 4596618), (31, 4151784), (39, 3300136), (42, 3064412), (52, 2475102), (56, 2298309), (62, 2075892), (78, 1650068), (84, 1532206), (91, 1414344), (93, 1383928), (104, 1237551), (124, 1037946), (156, 825034), (168, 766103), (182, 707172), (186, 691964), (217, 593112), (248, 518973), (273, 471448), (312, 412517), (364, 353586), (372, 345982), (403, 319368), (434, 296556), (546, 235724), (651, 197704), (728, 176793), (744, 172991), (806, 159684), (868, 148278), (1092, 117862), (1209, 106456), (1302, 98852), (1612, 79842), (1736, 74139), (1901, 67704), (2184, 58931), (2418, 53228), (2604, 49426), (2821, 45624), (3224, 39921), (3802, 33852), (4836, 26614), (5208, 24713), (5642, 22812), (5703, 22568), (7604, 16926), (8463, 15208), (9672, 13307), (11284, 11406)]